155796450480 has 120 divisors (see below), whose sum is σ = 570781570320. Its totient is φ = 37768834560.

The previous prime is 155796450473. The next prime is 155796450497. The reversal of 155796450480 is 84054697551.

It is a happy number.

155796450480 is a `hidden beast` number, since 1 + 5 + 5 + 79 + 64 + 504 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9827715 + ... + 9843554.

It is an arithmetic number, because the mean of its divisors is an integer number (4756513086).

Almost surely, 2^155796450480 is an apocalyptic number.

155796450480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155796450480 is an abundant number, since it is smaller than the sum of its proper divisors (414985119840).

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

155796450480 is a wasteful number, since it uses less digits than its factorization.

155796450480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671299 (or 19671290 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 155796450480 in words is "one hundred fifty-five billion, seven hundred ninety-six million, four hundred fifty thousand, four hundred eighty".