401166672 has 40 divisors (see below), whose sum is σ = 1040677440. Its totient is φ = 133163520.

The previous prime is 401166653. The next prime is 401166677. The reversal of 401166672 is 276661104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401166677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 28907.

It is an arithmetic number, because the mean of its divisors is an integer number (26016936).

Almost surely, 2^401166672 is an apocalyptic number.

It is an amenable number.

401166672 is an abundant number, since it is smaller than the sum of its proper divisors (639510768).

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

401166672 is a wasteful number, since it uses less digits than its factorization.

401166672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34931 (or 34925 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 401166672 is about 20029.1455634033. The cubic root of 401166672 is about 737.5219471397.

The spelling of 401166672 in words is "four hundred one million, one hundred sixty-six thousand, six hundred seventy-two".