151351440240 has 640 divisors, whose sum is σ = 639431073792. Its totient is φ = 28594114560.

The previous prime is 151351440221. The next prime is 151351440241. The reversal of 151351440240 is 42044153151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 151351440198 and 151351440207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151351440241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16091379 + ... + 16100781.

Almost surely, 2^151351440240 is an apocalyptic number.

151351440240 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 151351440240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319715536896).

151351440240 is an abundant number, since it is smaller than the sum of its proper divisors (488079633552).

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

151351440240 is a wasteful number, since it uses less digits than its factorization.

151351440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517 (or 9511 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 151351440240 its reverse (42044153151), we get a palindrome (193395593391).

The spelling of 151351440240 in words is "one hundred fifty-one billion, three hundred fifty-one million, four hundred forty thousand, two hundred forty".