401625002 has 16 divisors (see below), whose sum is σ = 656013600. Its totient is φ = 183682800.

The previous prime is 401624999. The next prime is 401625013. The reversal of 401625002 is 200526104.

It is a happy number.

It is a super-2 number, since 2×401625002² = 322605284463000008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181124 + ... + 183327.

It is an arithmetic number, because the mean of its divisors is an integer number (41000850).

Almost surely, 2^401625002 is an apocalyptic number.

401625002 is a deficient number, since it is larger than the sum of its proper divisors (254388598).

401625002 is a wasteful number, since it uses less digits than its factorization.

401625002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364501.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401625002 is about 20040.5838737298. The cubic root of 401625002 is about 737.8027113935.

The spelling of 401625002 in words is "four hundred one million, six hundred twenty-five thousand, two".