40888440400 has 30 divisors (see below), whose sum is σ = 98234479022. Its totient is φ = 16355376000.

The previous prime is 40888440389. The next prime is 40888440457. The reversal of 40888440400 is 404488804.

It can be written as a sum of positive squares in 3 ways, for example, as 1679688256 + 39208752144 = 40984^2 + 198012^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51110151 + ... + 51110950.

Almost surely, 2^40888440400 is an apocalyptic number.

40888440400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40888440400 is an abundant number, since it is smaller than the sum of its proper divisors (57346038622).

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

40888440400 is a wasteful number, since it uses less digits than its factorization.

40888440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102221119 (or 102221108 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40888440400 in words is "forty billion, eight hundred eighty-eight million, four hundred forty thousand, four hundred".