40457761577620 has 24 divisors (see below), whose sum is σ = 84985306610400. Its totient is φ = 16178531812512.

The previous prime is 40457761577599. The next prime is 40457761577627. The reversal of 40457761577620 is 2677516775404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457761577627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285728610 + ... + 285870169.

It is an arithmetic number, because the mean of its divisors is an integer number (3541054442100).

Almost surely, 2^{40457761577620} is an apocalyptic number.

It is an amenable number.

40457761577620 is an abundant number, since it is smaller than the sum of its proper divisors (44527545032780).

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

40457761577620 is a wasteful number, since it uses less digits than its factorization.

40457761577620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571602327 (or 571602325 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 61.

The spelling of 40457761577620 in words is "forty trillion, four hundred fifty-seven billion, seven hundred sixty-one million, five hundred seventy-seven thousand, six hundred twenty".