156351779082240 has 416 divisors, whose sum is σ = 571813675401216. Its totient is φ = 35732381368320.

The previous prime is 156351779082181. The next prime is 156351779082311. The reversal of 156351779082240 is 42280977153651.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3522763089 + ... + 3522807471.

It is a 1-persistent number, because it is pandigital, but 2⋅156351779082240 = 312703558164480 is not.

Almost surely, 2^{156351779082240} is an apocalyptic number.

156351779082240 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 156351779082240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285906837700608).

156351779082240 is an abundant number, since it is smaller than the sum of its proper divisors (415461896318976).

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

156351779082240 is an equidigital number, since it uses as much as digits as its factorization.

156351779082240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52613 (or 52591 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 156351779082240 in words is "one hundred fifty-six trillion, three hundred fifty-one billion, seven hundred seventy-nine million, eighty-two thousand, two hundred forty".