401304276 has 72 divisors (see below), whose sum is σ = 1063992384. Its totient is φ = 127290240.

The previous prime is 401304199. The next prime is 401304289. The reversal of 401304276 is 672403104.

It is a super-2 number, since 2×401304276² = 322090243871768352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173560 + ... + 175856.

It is an arithmetic number, because the mean of its divisors is an integer number (14777672).

Almost surely, 2^401304276 is an apocalyptic number.

401304276 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401304276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531996192).

401304276 is an abundant number, since it is smaller than the sum of its proper divisors (662688108).

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

401304276 is a wasteful number, since it uses less digits than its factorization.

401304276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2536 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 401304276 is about 20032.5803629987. The cubic root of 401304276 is about 737.6062631906.

The spelling of 401304276 in words is "four hundred one million, three hundred four thousand, two hundred seventy-six".