56453511205040 has 80 divisors (see below), whose sum is σ = 134464234675680. Its totient is φ = 22029246781440.

The previous prime is 56453511205031. The next prime is 56453511205043. The reversal of 56453511205040 is 4050211535465.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (56453511205043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52164146 + ... + 53235374.

It is an arithmetic number, because the mean of its divisors is an integer number (1680802933446).

Almost surely, 2^{56453511205040} is an apocalyptic number.

It is an amenable number.

56453511205040 is an abundant number, since it is smaller than the sum of its proper divisors (78010723470640).

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

56453511205040 is a wasteful number, since it uses less digits than its factorization.

56453511205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087350 (or 1087344 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 56453511205040 in words is "fifty-six trillion, four hundred fifty-three billion, five hundred eleven million, two hundred five thousand, forty".