400013360 has 20 divisors (see below), whose sum is σ = 930031248. Its totient is φ = 160005312.

The previous prime is 400013359. The next prime is 400013377. The reversal of 400013360 is 63310004.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500004 + ... + 2500163.

Almost surely, 2^400013360 is an apocalyptic number.

400013360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400013360 is an abundant number, since it is smaller than the sum of its proper divisors (530017888).

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

400013360 is a wasteful number, since it uses less digits than its factorization.

400013360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000180 (or 5000174 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 400013360 is about 20000.3339972111. Note that the first 3 decimals coincide. The cubic root of 400013360 is about 736.8145027469.

Adding to 400013360 its reverse (63310004), we get a palindrome (463323364).

The spelling of 400013360 in words is "four hundred million, thirteen thousand, three hundred sixty".