155335246332240 has 320 divisors, whose sum is σ = 540063308736000. Its totient is φ = 36670098726912.

The previous prime is 155335246332229. The next prime is 155335246332251. The reversal of 155335246332240 is 42233642533551.

It is a happy number.

155335246332240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155335246332229) and next prime (155335246332251).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 155335246332240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7720477 + ... + 19242563.

It is an arithmetic number, because the mean of its divisors is an integer number (1687697839800).

Almost surely, 2^{155335246332240} is an apocalyptic number.

155335246332240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155335246332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270031654368000).

155335246332240 is an abundant number, since it is smaller than the sum of its proper divisors (384728062403760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155335246332240 is a wasteful number, since it uses less digits than its factorization.

155335246332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522294 (or 11522288 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 48.

Adding to 155335246332240 its reverse (42233642533551), we get a palindrome (197568888865791).

The spelling of 155335246332240 in words is "one hundred fifty-five trillion, three hundred thirty-five billion, two hundred forty-six million, three hundred thirty-two thousand, two hundred forty".