40394800 has 30 divisors (see below), whose sum is σ = 97049468. Its totient is φ = 16157760.

The previous prime is 40394791. The next prime is 40394803. The reversal of 40394800 is 849304.

40394800 = 1108² + 1109² + ... + 1139².

It is not an unprimeable number, because it can be changed into a prime (40394803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50094 + ... + 50893.

Almost surely, 2^40394800 is an apocalyptic number.

40394800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40394800 is an abundant number, since it is smaller than the sum of its proper divisors (56654668).

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

40394800 is a wasteful number, since it uses less digits than its factorization.

40394800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101005 (or 100994 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40394800 is about 6355.6903637607. The cubic root of 40394800 is about 343.1166718837.

The spelling of 40394800 in words is "forty million, three hundred ninety-four thousand, eight hundred".