155353355040 has 96 divisors (see below), whose sum is σ = 527006402496. Its totient is φ = 38240824320.

The previous prime is 155353355021. The next prime is 155353355117. The reversal of 155353355040 is 40553353551.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 155353355040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12441946 + ... + 12454425.

It is an arithmetic number, because the mean of its divisors is an integer number (5489650026).

Almost surely, 2^155353355040 is an apocalyptic number.

155353355040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155353355040 is an abundant number, since it is smaller than the sum of its proper divisors (371653047456).

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

155353355040 is a wasteful number, since it uses less digits than its factorization.

155353355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896402 (or 24896394 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 39.

The spelling of 155353355040 in words is "one hundred fifty-five billion, three hundred fifty-three million, three hundred fifty-five thousand, forty".