401246737272 has 48 divisors (see below), whose sum is σ = 1088157077280. Its totient is φ = 133570800000.

The previous prime is 401246737189. The next prime is 401246737303. The reversal of 401246737272 is 272737642104.

401246737272 is a `hidden beast` number, since 40 + 12 + 467 + 3 + 72 + 72 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3656229 + ... + 3764372.

It is an arithmetic number, because the mean of its divisors is an integer number (22669939110).

Almost surely, 2^401246737272 is an apocalyptic number.

It is an amenable number.

401246737272 is an abundant number, since it is smaller than the sum of its proper divisors (686910340008).

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

401246737272 is a wasteful number, since it uses less digits than its factorization.

401246737272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421364 (or 7421357 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 401246737272 in words is "four hundred one billion, two hundred forty-six million, seven hundred thirty-seven thousand, two hundred seventy-two".