400351124 has 12 divisors (see below), whose sum is σ = 701288448. Its totient is φ = 199983000.

The previous prime is 400351121. The next prime is 400351151. The reversal of 400351124 is 421153004.

It is a junction number, because it is equal to n+sod(n) for n = 400351096 and 400351105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400351121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43412 + ... + 51819.

It is an arithmetic number, because the mean of its divisors is an integer number (58440704).

Almost surely, 2^400351124 is an apocalyptic number.

It is an amenable number.

400351124 is a deficient number, since it is larger than the sum of its proper divisors (300937324).

400351124 is a wasteful number, since it uses less digits than its factorization.

400351124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96286 (or 96284 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 400351124 is about 20008.7761744690. The cubic root of 400351124 is about 737.0218286552.

The spelling of 400351124 in words is "four hundred million, three hundred fifty-one thousand, one hundred twenty-four".