155476449756 has 48 divisors (see below), whose sum is σ = 403121486880. Its totient is φ = 51821061120.

The previous prime is 155476449719. The next prime is 155476449761. The reversal of 155476449756 is 657944674551.

155476449756 is a `hidden beast` number, since 1 + 5 + 54 + 76 + 449 + 75 + 6 = 666.

155476449756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155476449693 and 155476449702.

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 15 ways as a sum of consecutive naturals, for example, 1362210 + ... + 1471926.

It is an arithmetic number, because the mean of its divisors is an integer number (8398364310).

Almost surely, 2^155476449756 is an apocalyptic number.

It is an amenable number.

155476449756 is an abundant number, since it is smaller than the sum of its proper divisors (247645037124).

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

155476449756 is a wasteful number, since it uses less digits than its factorization.

155476449756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122851 (or 122843 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 63.

The spelling of 155476449756 in words is "one hundred fifty-five billion, four hundred seventy-six million, four hundred forty-nine thousand, seven hundred fifty-six".