155876081400 has 192 divisors, whose sum is σ = 578207263200. Its totient is φ = 38369479680.

The previous prime is 155876081399. The next prime is 155876081423. The reversal of 155876081400 is 4180678551.

155876081400 is a `hidden beast` number, since 1 + 5 + 587 + 60 + 8 + 1 + 4 + 0 + 0 = 666.

155876081400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 1040029 + ... + 1180428.

Almost surely, 2^155876081400 is an apocalyptic number.

155876081400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155876081400 is an abundant number, since it is smaller than the sum of its proper divisors (422331181800).

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

155876081400 is a wasteful number, since it uses less digits than its factorization.

155876081400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220495 (or 2220480 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 155876081400 in words is "one hundred fifty-five billion, eight hundred seventy-six million, eighty-one thousand, four hundred".