400424440199 has 16 divisors (see below), whose sum is σ = 467141755200. Its totient is φ = 343092708000.

The previous prime is 400424440183. The next prime is 400424440211. The reversal of 400424440199 is 991044424004.

It is not a de Polignac number, because 400424440199 - 2⁴ = 400424440183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400424440139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706949 + ... + 1140449.

It is an arithmetic number, because the mean of its divisors is an integer number (29196359700).

Almost surely, 2^400424440199 is an apocalyptic number.

400424440199 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

400424440199 is a deficient number, since it is larger than the sum of its proper divisors (66717315001).

400424440199 is an equidigital number, since it uses as much as digits as its factorization.

400424440199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436215 (or 436201 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 400424440199 in words is "four hundred billion, four hundred twenty-four million, four hundred forty thousand, one hundred ninety-nine".