400416260 has 24 divisors (see below), whose sum is σ = 885131520. Its totient is φ = 151736544.

The previous prime is 400416259. The next prime is 400416277. The reversal of 400416260 is 62614004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526484 + ... + 527243.

It is an arithmetic number, because the mean of its divisors is an integer number (36880480).

Almost surely, 2^400416260 is an apocalyptic number.

It is an amenable number.

400416260 is an abundant number, since it is smaller than the sum of its proper divisors (484715260).

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

400416260 is a wasteful number, since it uses less digits than its factorization.

400416260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053755 (or 1053753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 400416260 is about 20010.4037940267. The cubic root of 400416260 is about 737.0617969461.

The spelling of 400416260 in words is "four hundred million, four hundred sixteen thousand, two hundred sixty".