40039748500 has 48 divisors (see below), whose sum is σ = 87468190992. Its totient is φ = 16011984000.

The previous prime is 40039748479. The next prime is 40039748519. The reversal of 40039748500 is 584793004.

It can be written as a sum of positive squares in 8 ways, for example, as 16121888784 + 23917859716 = 126972^2 + 154654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2903622 + ... + 2917378.

It is an arithmetic number, because the mean of its divisors is an integer number (1822253979).

Almost surely, 2^40039748500 is an apocalyptic number.

It is an amenable number.

40039748500 is an abundant number, since it is smaller than the sum of its proper divisors (47428442492).

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

40039748500 is a wasteful number, since it uses less digits than its factorization.

40039748500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19597 (or 19585 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 40039748500 in words is "forty billion, thirty-nine million, seven hundred forty-eight thousand, five hundred".