401359626 has 24 divisors (see below), whose sum is σ = 883870884. Its totient is φ = 131592960.

The previous prime is 401359601. The next prime is 401359643. The reversal of 401359626 is 626953104.

It is a happy number.

401359626 is a `hidden beast` number, since 40 + 1 + 3 + 596 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240095025 + 161264601 = 15495^2 + 12699^2 .

It is a super-2 number, since 2×401359626² = 322179098765719752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181671 + ... + 183866.

Almost surely, 2^401359626 is an apocalyptic number.

401359626 is an abundant number, since it is smaller than the sum of its proper divisors (482511258).

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

401359626 is a wasteful number, since it uses less digits than its factorization.

401359626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365606 (or 365603 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 401359626 is about 20033.9618148783. The cubic root of 401359626 is about 737.6401731456.

The spelling of 401359626 in words is "four hundred one million, three hundred fifty-nine thousand, six hundred twenty-six".