401508486 has 12 divisors (see below), whose sum is σ = 869935092. Its totient is φ = 133836156.

The previous prime is 401508473. The next prime is 401508487. The reversal of 401508486 is 684805104.

It is a super-2 number, since 2×401508486² = 322418128660024392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401508486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401508487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11152996 + ... + 11153031.

It is an arithmetic number, because the mean of its divisors is an integer number (72494591).

Almost surely, 2^401508486 is an apocalyptic number.

401508486 is an abundant number, since it is smaller than the sum of its proper divisors (468426606).

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

401508486 is a wasteful number, since it uses less digits than its factorization.

401508486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22306035 (or 22306032 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 401508486 is about 20037.6766617290. The cubic root of 401508486 is about 737.7313561618.

The spelling of 401508486 in words is "four hundred one million, five hundred eight thousand, four hundred eighty-six".