401625635 has 8 divisors (see below), whose sum is σ = 482411376. Its totient is φ = 320993440.

The previous prime is 401625619. The next prime is 401625683. The reversal of 401625635 is 536526104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401625635 - 2⁴ = 401625619 is a prime.

It is a super-2 number, since 2×401625635² = 322606301378306450, which contains 22 as substring.

It is a Duffinian 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, 32549 + ... + 43158.

It is an arithmetic number, because the mean of its divisors is an integer number (60301422).

Almost surely, 2^401625635 is an apocalyptic number.

401625635 is a deficient number, since it is larger than the sum of its proper divisors (80785741).

401625635 is a wasteful number, since it uses less digits than its factorization.

401625635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76773.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 401625635 is about 20040.5996666766. The cubic root of 401625635 is about 737.8030990095.

The spelling of 401625635 in words is "four hundred one million, six hundred twenty-five thousand, six hundred thirty-five".