401752230 has 64 divisors (see below), whose sum is σ = 1063756800. Its totient is φ = 96293120.

The previous prime is 401752223. The next prime is 401752249. The reversal of 401752230 is 32257104.

It is a super-2 number, since 2×401752230² = 322809708619945800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401752230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22531 + ... + 36209.

It is an arithmetic number, because the mean of its divisors is an integer number (16621200).

Almost surely, 2^401752230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401752230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531878400).

401752230 is an abundant number, since it is smaller than the sum of its proper divisors (662004570).

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

401752230 is a wasteful number, since it uses less digits than its factorization.

401752230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 401752230 is about 20043.7578811958. The cubic root of 401752230 is about 737.8806109703.

The spelling of 401752230 in words is "four hundred one million, seven hundred fifty-two thousand, two hundred thirty".