15455353240 has 64 divisors (see below), whose sum is σ = 36331545600. Its totient is φ = 5906009472.

The previous prime is 15455353231. The next prime is 15455353253. The reversal of 15455353240 is 4235355451.

It is a self number, because there is not a number n which added to its sum of digits gives 15455353240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761869 + ... + 781891.

It is an arithmetic number, because the mean of its divisors is an integer number (567680400).

Almost surely, 2^15455353240 is an apocalyptic number.

15455353240 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 15455353240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18165772800).

15455353240 is an abundant number, since it is smaller than the sum of its proper divisors (20876192360).

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

15455353240 is a wasteful number, since it uses less digits than its factorization.

15455353240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896 (or 20892 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 15455353240 in words is "fifteen billion, four hundred fifty-five million, three hundred fifty-three thousand, two hundred forty".