401504576 has 56 divisors (see below), whose sum is σ = 871569504. Its totient is φ = 181998080.

The previous prime is 401504567. The next prime is 401504581. The reversal of 401504576 is 675405104.

It is a super-2 number, since 2×401504576² = 322411849097879552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395846 + ... + 396858.

Almost surely, 2^401504576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401504576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435784752).

401504576 is an abundant number, since it is smaller than the sum of its proper divisors (470064928).

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

401504576 is a wasteful number, since it uses less digits than its factorization.

401504576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 401504576 is about 20037.5790952899. The cubic root of 401504576 is about 737.7289614104.

The spelling of 401504576 in words is "four hundred one million, five hundred four thousand, five hundred seventy-six".