401273244 has 24 divisors (see below), whose sum is σ = 1040338320. Its totient is φ = 133757712.

The previous prime is 401273233. The next prime is 401273267. The reversal of 401273244 is 442372104.

It is a super-2 number, since 2×401273244² = 322040432700567072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857639 + ... + 1857854.

It is an arithmetic number, because the mean of its divisors is an integer number (43347430).

Almost surely, 2^401273244 is an apocalyptic number.

It is an amenable number.

401273244 is an abundant number, since it is smaller than the sum of its proper divisors (639065076).

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

401273244 is a wasteful number, since it uses less digits than its factorization.

401273244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715506 (or 3715498 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 401273244 is about 20031.8058097616. The cubic root of 401273244 is about 737.5872501964.

The spelling of 401273244 in words is "four hundred one million, two hundred seventy-three thousand, two hundred forty-four".