155652399360 has 360 divisors, whose sum is σ = 558437806080. Its totient is φ = 41396686848.

The previous prime is 155652399323. The next prime is 155652399391. The reversal of 155652399360 is 63993256551.

155652399360 is a `hidden beast` number, since 1 + 5 + 56 + 523 + 9 + 9 + 3 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 155652399297 and 155652399306.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43440129 + ... + 43443711.

It is an arithmetic number, because the mean of its divisors is an integer number (1551216128).

Almost surely, 2^155652399360 is an apocalyptic number.

155652399360 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 155652399360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279218903040).

155652399360 is an abundant number, since it is smaller than the sum of its proper divisors (402785406720).

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

155652399360 is an equidigital number, since it uses as much as digits as its factorization.

155652399360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 54.

The spelling of 155652399360 in words is "one hundred fifty-five billion, six hundred fifty-two million, three hundred ninety-nine thousand, three hundred sixty".