40013020200400 has 120 divisors (see below), whose sum is σ = 108974731802720. Its totient is φ = 13996457233920.

The previous prime is 40013020200367. The next prime is 40013020200493. The reversal of 40013020200400 is 400202031004.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 202396242 + ... + 202593841.

Almost surely, 2^{40013020200400} is an apocalyptic number.

40013020200400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40013020200400 is an abundant number, since it is smaller than the sum of its proper divisors (68961711602320).

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

40013020200400 is a wasteful number, since it uses less digits than its factorization.

40013020200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404990133 (or 404990122 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 40013020200400 its reverse (400202031004), we get a palindrome (40413222231404).

The spelling of 40013020200400 in words is "forty trillion, thirteen billion, twenty million, two hundred thousand, four hundred".