40400737604 has 24 divisors (see below), whose sum is σ = 73792251288. Its totient is φ = 19335829760.

The previous prime is 40400737589. The next prime is 40400737633. The reversal of 40400737604 is 40673700404.

It can be written as a sum of positive squares in 4 ways, for example, as 1316238400 + 39084499204 = 36280^2 + 197698^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315327 + ... + 2332710.

It is an arithmetic number, because the mean of its divisors is an integer number (3074677137).

Almost surely, 2^40400737604 is an apocalyptic number.

It is an amenable number.

40400737604 is a deficient number, since it is larger than the sum of its proper divisors (33391513684).

40400737604 is a wasteful number, since it uses less digits than its factorization.

40400737604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648135 (or 4648133 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 40400737604 in words is "forty billion, four hundred million, seven hundred thirty-seven thousand, six hundred four".