401396576 has 48 divisors (see below), whose sum is σ = 910103040. Its totient is φ = 170701440.

The previous prime is 401396563. The next prime is 401396617. The reversal of 401396576 is 675693104.

It is a super-2 number, since 2×401396576² = 322238422449047552, which contains 22 as substring.

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, 22505 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (18960480).

Almost surely, 2^401396576 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 401396576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455051520).

401396576 is an abundant number, since it is smaller than the sum of its proper divisors (508706464).

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

401396576 is a wasteful number, since it uses less digits than its factorization.

401396576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13827 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 401396576 is about 20034.8839777025. The cubic root of 401396576 is about 737.6628086793.

The spelling of 401396576 in words is "four hundred one million, three hundred ninety-six thousand, five hundred seventy-six".