40205463400 has 48 divisors (see below), whose sum is σ = 93491298540. Its totient is φ = 16079846400.

The previous prime is 40205463391. The next prime is 40205463413. The reversal of 40205463400 is 436450204.

It can be written as a sum of positive squares in 6 ways, for example, as 18913400676 + 21292062724 = 137526^2 + 145918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202310 + ... + 2220490.

Almost surely, 2^40205463400 is an apocalyptic number.

40205463400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40205463400 is an abundant number, since it is smaller than the sum of its proper divisors (53285835140).

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

40205463400 is a wasteful number, since it uses less digits than its factorization.

40205463400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29254 (or 29245 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The spelling of 40205463400 in words is "forty billion, two hundred five million, four hundred sixty-three thousand, four hundred".