40494759320 has 16 divisors (see below), whose sum is σ = 91113208560. Its totient is φ = 16197903712.

The previous prime is 40494759317. The next prime is 40494759341. The reversal of 40494759320 is 2395749404.

It is a congruent number.

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, 506184452 + ... + 506184531.

It is an arithmetic number, because the mean of its divisors is an integer number (5694575535).

Almost surely, 2^40494759320 is an apocalyptic number.

40494759320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40494759320 is an abundant number, since it is smaller than the sum of its proper divisors (50618449240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40494759320 is a wasteful number, since it uses less digits than its factorization.

40494759320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012368994 (or 1012368990 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 40494759320 in words is "forty billion, four hundred ninety-four million, seven hundred fifty-nine thousand, three hundred twenty".