401312562 has 16 divisors (see below), whose sum is σ = 917285952. Its totient is φ = 114660720.

The previous prime is 401312539. The next prime is 401312563. The reversal of 401312562 is 265213104.

It is a super-2 number, since 2×401312562² = 322103544838007688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401312563) by changing a digit.

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, 4777489 + ... + 4777572.

It is an arithmetic number, because the mean of its divisors is an integer number (57330372).

Almost surely, 2^401312562 is an apocalyptic number.

401312562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401312562 is an abundant number, since it is smaller than the sum of its proper divisors (515973390).

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

401312562 is a wasteful number, since it uses less digits than its factorization.

401312562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555073.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 401312562 is about 20032.7871750288. The cubic root of 401312562 is about 737.6113397736.

Adding to 401312562 its reverse (265213104), we get a palindrome (666525666).

The spelling of 401312562 in words is "four hundred one million, three hundred twelve thousand, five hundred sixty-two".