40299539904 has 588 divisors, whose sum is σ = 137173030200. Its totient is φ = 11703564288.

The previous prime is 40299539879. The next prime is 40299539933. The reversal of 40299539904 is 40993599204.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 83 ways as a sum of consecutive naturals, for example, 149812282 + ... + 149812550.

Almost surely, 2^40299539904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40299539904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68586515100).

40299539904 is an abundant number, since it is smaller than the sum of its proper divisors (96873490296).

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

40299539904 is a wasteful number, since it uses less digits than its factorization.

40299539904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 40299539904 in words is "forty billion, two hundred ninety-nine million, five hundred thirty-nine thousand, nine hundred four".