400616425 has 24 divisors (see below), whose sum is σ = 570454560. Its totient is φ = 276019200.

The previous prime is 400616393. The next prime is 400616459. The reversal of 400616425 is 524616004.

It is not a de Polignac number, because 400616425 - 2⁵ = 400616393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400616393 and 400616402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33112 + ... + 43561.

It is an arithmetic number, because the mean of its divisors is an integer number (23768940).

Almost surely, 2^400616425 is an apocalyptic number.

It is an amenable number.

400616425 is a deficient number, since it is larger than the sum of its proper divisors (169838135).

400616425 is a wasteful number, since it uses less digits than its factorization.

400616425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76713 (or 76708 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 400616425 is about 20015.4046923863. The cubic root of 400616425 is about 737.1845936558.

The spelling of 400616425 in words is "four hundred million, six hundred sixteen thousand, four hundred twenty-five".