40604440400 has 30 divisors (see below), whose sum is σ = 97552169022. Its totient is φ = 16241776000.

The previous prime is 40604440391. The next prime is 40604440411. The reversal of 40604440400 is 404440604.

It can be written as a sum of positive squares in 3 ways, for example, as 14331920656 + 26272519744 = 119716^2 + 162088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40604440400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50755151 + ... + 50755950.

Almost surely, 2^40604440400 is an apocalyptic number.

40604440400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40604440400 is an abundant number, since it is smaller than the sum of its proper divisors (56947728622).

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

40604440400 is a wasteful number, since it uses less digits than its factorization.

40604440400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101511119 (or 101511108 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 40604440400 in words is "forty billion, six hundred four million, four hundred forty thousand, four hundred".