40244331400 has 96 divisors (see below), whose sum is σ = 115160754240. Its totient is φ = 12736661760.

The previous prime is 40244331383. The next prime is 40244331461. The reversal of 40244331400 is 413344204.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1087414 + ... + 1123813.

It is an arithmetic number, because the mean of its divisors is an integer number (1199591190).

Almost surely, 2^40244331400 is an apocalyptic number.

40244331400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40244331400 is an abundant number, since it is smaller than the sum of its proper divisors (74916422840).

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

40244331400 is a wasteful number, since it uses less digits than its factorization.

40244331400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211263 (or 2211254 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40244331400 its reverse (413344204), we get a palindrome (40657675604).

The spelling of 40244331400 in words is "forty billion, two hundred forty-four million, three hundred thirty-one thousand, four hundred".