400063260 has 24 divisors (see below), whose sum is σ = 1120177296. Its totient is φ = 106683520.

The previous prime is 400063243. The next prime is 400063283. The reversal of 400063260 is 62360004.

It is a super-2 number, since 2×400063260² = 320101224003655200, which contains 22 as substring.

It is a congruent 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, 3333801 + ... + 3333920.

It is an arithmetic number, because the mean of its divisors is an integer number (46674054).

Almost surely, 2^400063260 is an apocalyptic number.

It is an amenable number.

400063260 is an abundant number, since it is smaller than the sum of its proper divisors (720114036).

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

400063260 is a wasteful number, since it uses less digits than its factorization.

400063260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667733 (or 6667731 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 400063260 is about 20001.5814374764. The cubic root of 400063260 is about 736.8451396527.

The spelling of 400063260 in words is "four hundred million, sixty-three thousand, two hundred sixty".