400432260 has 48 divisors (see below), whose sum is σ = 1122178176. Its totient is φ = 106689792.

The previous prime is 400432237. The next prime is 400432283. The reversal of 400432260 is 62234004.

It is an interprime number because it is at equal distance from previous prime (400432237) and next prime (400432283).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94344 + ... + 98496.

It is an arithmetic number, because the mean of its divisors is an integer number (23378712).

Almost surely, 2^400432260 is an apocalyptic number.

It is an amenable number.

400432260 is an abundant number, since it is smaller than the sum of its proper divisors (721745916).

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

400432260 is a wasteful number, since it uses less digits than its factorization.

400432260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5770 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 400432260 is about 20010.8035820654. The cubic root of 400432260 is about 737.0716140896.

Adding to 400432260 its reverse (62234004), we get a palindrome (462666264).

The spelling of 400432260 in words is "four hundred million, four hundred thirty-two thousand, two hundred sixty".