40212657496 has 32 divisors (see below), whose sum is σ = 82430899200. Its totient is φ = 18238983840.

The previous prime is 40212657493. The next prime is 40212657509. The reversal of 40212657496 is 69475621204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212657493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 452736 + ... + 534223.

It is an arithmetic number, because the mean of its divisors is an integer number (2575965600).

Almost surely, 2^40212657496 is an apocalyptic number.

It is an amenable number.

40212657496 is an abundant number, since it is smaller than the sum of its proper divisors (42218241704).

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

40212657496 is a wasteful number, since it uses less digits than its factorization.

40212657496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987439 (or 987435 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 40212657496 in words is "forty billion, two hundred twelve million, six hundred fifty-seven thousand, four hundred ninety-six".