40454085257556 has 24 divisors (see below), whose sum is σ = 94405963189440. Its totient is φ = 13482824001792.

The previous prime is 40454085257489. The next prime is 40454085257581. The reversal of 40454085257556 is 65575258045404.

It is a happy number.

It is a super-3 number, since 3×40454085257556³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40454085257556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233795421 + ... + 233968388.

It is an arithmetic number, because the mean of its divisors is an integer number (3933581799560).

Almost surely, 2^{40454085257556} is an apocalyptic number.

It is an amenable number.

40454085257556 is an abundant number, since it is smaller than the sum of its proper divisors (53951877931884).

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

40454085257556 is a wasteful number, since it uses less digits than its factorization.

40454085257556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467771023 (or 467771021 counting only the distinct ones).

The product of its (nonzero) digits is 134400000, while the sum is 60.

The spelling of 40454085257556 in words is "forty trillion, four hundred fifty-four billion, eighty-five million, two hundred fifty-seven thousand, five hundred fifty-six".