40005370384 has 40 divisors (see below), whose sum is σ = 90035521088. Its totient is φ = 16864087680.

The previous prime is 40005370303. The next prime is 40005370421. The reversal of 40005370384 is 48307350004.

It is a happy number.

It is a super-2 number, since 2×40005370384² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920962 + ... + 2934625.

Almost surely, 2^40005370384 is an apocalyptic number.

It is an amenable number.

40005370384 is an abundant number, since it is smaller than the sum of its proper divisors (50030150704).

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

40005370384 is a wasteful number, since it uses less digits than its factorization.

40005370384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855663 (or 5855657 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 40005370384 in words is "forty billion, five million, three hundred seventy thousand, three hundred eighty-four".