40640294476 has 12 divisors (see below), whose sum is σ = 71853717208. Its totient is φ = 20110660992.

The previous prime is 40640294419. The next prime is 40640294603. The reversal of 40640294476 is 67449204604.

It is a super-2 number, since 2×40640294476² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52371126 + ... + 52371901.

Almost surely, 2^40640294476 is an apocalyptic number.

It is an amenable number.

40640294476 is a deficient number, since it is larger than the sum of its proper divisors (31213422732).

40640294476 is a wasteful number, since it uses less digits than its factorization.

40640294476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104743128 (or 104743126 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 40640294476 in words is "forty billion, six hundred forty million, two hundred ninety-four thousand, four hundred seventy-six".