401676630 has 32 divisors (see below), whose sum is σ = 967335264. Its totient is φ = 106745856.

The previous prime is 401676601. The next prime is 401676637. The reversal of 401676630 is 36676104.

It is a super-2 number, since 2×401676630² = 322688230176313800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401676591 and 401676600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401676637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14059 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (30229227).

Almost surely, 2^401676630 is an apocalyptic number.

401676630 is an abundant number, since it is smaller than the sum of its proper divisors (565658634).

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

401676630 is a wasteful number, since it uses less digits than its factorization.

401676630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46000.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 401676630 is about 20041.8719185609. The cubic root of 401676630 is about 737.8343243377.

The spelling of 401676630 in words is "four hundred one million, six hundred seventy-six thousand, six hundred thirty".