40494993707 has 12 divisors (see below), whose sum is σ = 47366688096. Its totient is φ = 34518219120.

The previous prime is 40494993653. The next prime is 40494993779. The reversal of 40494993707 is 70739949404.

It is not a de Polignac number, because 40494993707 - 2¹² = 40494989611 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40494933707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274083 + ... + 2291820.

It is an arithmetic number, because the mean of its divisors is an integer number (3947224008).

Almost surely, 2^40494993707 is an apocalyptic number.

40494993707 is a deficient number, since it is larger than the sum of its proper divisors (6871694389).

40494993707 is a wasteful number, since it uses less digits than its factorization.

40494993707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566098 (or 4566091 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 40494993707 in words is "forty billion, four hundred ninety-four million, nine hundred ninety-three thousand, seven hundred seven".