40045672455436 has 12 divisors (see below), whose sum is σ = 72496475997120. Its totient is φ = 19332393599120.

The previous prime is 40045672455391. The next prime is 40045672455461. The reversal of 40045672455436 is 63455427654004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172610657020 + ... + 172610657251.

It is an arithmetic number, because the mean of its divisors is an integer number (6041372999760).

Almost surely, 2^{40045672455436} is an apocalyptic number.

It is an amenable number.

40045672455436 is a deficient number, since it is larger than the sum of its proper divisors (32450803541684).

40045672455436 is a wasteful number, since it uses less digits than its factorization.

40045672455436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345221314304 (or 345221314302 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 55.

The spelling of 40045672455436 in words is "forty trillion, forty-five billion, six hundred seventy-two million, four hundred fifty-five thousand, four hundred thirty-six".