401662900 has 36 divisors (see below), whose sum is σ = 878499328. Its totient is φ = 159395040.

The previous prime is 401662897. The next prime is 401662901. The reversal of 401662900 is 9266104.

It is a super-2 number, since 2×401662900² = 322666170472820000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401662901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3114 + ... + 28513.

Almost surely, 2^401662900 is an apocalyptic number.

It is an amenable number.

401662900 is an abundant number, since it is smaller than the sum of its proper divisors (476836428).

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

401662900 is a wasteful number, since it uses less digits than its factorization.

401662900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31768 (or 31761 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 401662900 is about 20041.5293827592. The cubic root of 401662900 is about 737.8259174253.

The spelling of 401662900 in words is "four hundred one million, six hundred sixty-two thousand, nine hundred".