40135460477654 has 32 divisors (see below), whose sum is σ = 64552744713600. Its totient is φ = 18648417356800.

The previous prime is 40135460477573. The next prime is 40135460477657. The reversal of 40135460477654 is 45677406453104.

It is a super-2 number, since 2×40135460477654² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40135460477654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135460477657) 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, 7339214 + ... + 11581665.

It is an arithmetic number, because the mean of its divisors is an integer number (2017273272300).

Almost surely, 2^{40135460477654} is an apocalyptic number.

40135460477654 is a deficient number, since it is larger than the sum of its proper divisors (24417284235946).

40135460477654 is a wasteful number, since it uses less digits than its factorization.

40135460477654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18921688.

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 40135460477654 in words is "forty trillion, one hundred thirty-five billion, four hundred sixty million, four hundred seventy-seven thousand, six hundred fifty-four".