400474120 has 32 divisors (see below), whose sum is σ = 930136320. Its totient is φ = 155021760.

The previous prime is 400474099. The next prime is 400474141. The reversal of 400474120 is 21474004.

It is an interprime number because it is at equal distance from previous prime (400474099) and next prime (400474141).

It is a junction number, because it is equal to n+sod(n) for n = 400474091 and 400474100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160242 + ... + 162721.

It is an arithmetic number, because the mean of its divisors is an integer number (29066760).

Almost surely, 2^400474120 is an apocalyptic number.

400474120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400474120 is an abundant number, since it is smaller than the sum of its proper divisors (529662200).

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

400474120 is a wasteful number, since it uses less digits than its factorization.

400474120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323005 (or 323001 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 400474120 is about 20011.8494897398. The cubic root of 400474120 is about 737.0972969544.

The spelling of 400474120 in words is "four hundred million, four hundred seventy-four thousand, one hundred twenty".