401231504 has 20 divisors (see below), whose sum is σ = 811186176. Its totient is φ = 191893152.

The previous prime is 401231483. The next prime is 401231533. The reversal of 401231504 is 405132104.

It is a super-3 number, since 3×401231504³ (a number of 27 digits) contains 333 as substring.

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, 544784 + ... + 545519.

Almost surely, 2^401231504 is an apocalyptic number.

It is an amenable number.

401231504 is an abundant number, since it is smaller than the sum of its proper divisors (409954672).

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

401231504 is a wasteful number, since it uses less digits than its factorization.

401231504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090334 (or 1090328 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401231504 is about 20030.7639395007. The cubic root of 401231504 is about 737.5616749724.

Adding to 401231504 its reverse (405132104), we get a palindrome (806363608).

The spelling of 401231504 in words is "four hundred one million, two hundred thirty-one thousand, five hundred four".