156156472442880 has 4320 divisors, whose sum is σ = 733378935744000. Its totient is φ = 31123795083264.

The previous prime is 156156472442857. The next prime is 156156472442909. The reversal of 156156472442880 is 88244274651651.

156156472442880 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 5 + 64 + 72 + 4 + 428 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (4320).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 447439748946 + ... + 447439749294.

Almost surely, 2^{156156472442880} is an apocalyptic number.

156156472442880 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 156156472442880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366689467872000).

156156472442880 is an abundant number, since it is smaller than the sum of its proper divisors (577222463301120).

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

156156472442880 is an equidigital number, since it uses as much as digits as its factorization.

156156472442880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 63.

The spelling of 156156472442880 in words is "one hundred fifty-six trillion, one hundred fifty-six billion, four hundred seventy-two million, four hundred forty-two thousand, eight hundred eighty".