40400563515154 has 32 divisors (see below), whose sum is σ = 64088703979200. Its totient is φ = 19047753754560.

The previous prime is 40400563515149. The next prime is 40400563515227. The reversal of 40400563515154 is 45151536500404.

It is a self number, because there is not a number n which added to its sum of digits gives 40400563515154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865557 + ... + 11944375.

It is an arithmetic number, because the mean of its divisors is an integer number (2002771999350).

Almost surely, 2^{40400563515154} is an apocalyptic number.

40400563515154 is a deficient number, since it is larger than the sum of its proper divisors (23688140464046).

40400563515154 is a wasteful number, since it uses less digits than its factorization.

40400563515154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080058.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 40400563515154 in words is "forty trillion, four hundred billion, five hundred sixty-three million, five hundred fifteen thousand, one hundred fifty-four".