140155440545520 has 120 divisors (see below), whose sum is σ = 470765225010912. Its totient is φ = 37368706752000.

The previous prime is 140155440545447. The next prime is 140155440545581. The reversal of 140155440545520 is 25545044551041.

140155440545520 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 5 + 5 + 4 + 40 + 54 + 552 + 0 = 666.

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

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11394751 + ... + 20252190.

Almost surely, 2^{140155440545520} is an apocalyptic number.

140155440545520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140155440545520 is an abundant number, since it is smaller than the sum of its proper divisors (330609784465392).

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

140155440545520 is a wasteful number, since it uses less digits than its factorization.

140155440545520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31653111 (or 31653102 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 45.

The spelling of 140155440545520 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred forty million, five hundred forty-five thousand, five hundred twenty".