40400000364 has 12 divisors (see below), whose sum is σ = 94266667544. Its totient is φ = 13466666784.

The previous prime is 40400000309. The next prime is 40400000413. The reversal of 40400000364 is 46300000404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40400000364² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40400000364.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683333337 + ... + 1683333360.

Almost surely, 2^40400000364 is an apocalyptic number.

It is an amenable number.

40400000364 is an abundant number, since it is smaller than the sum of its proper divisors (53866667180).

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

40400000364 is a wasteful number, since it uses less digits than its factorization.

40400000364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366666704 (or 3366666702 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40400000364 its reverse (46300000404), we get a palindrome (86700000768).

The spelling of 40400000364 in words is "forty billion, four hundred million, three hundred sixty-four", and thus it is an aban number.