401750224 has 40 divisors (see below), whose sum is σ = 817313760. Its totient is φ = 191038848.

The previous prime is 401750221. The next prime is 401750243. The reversal of 401750224 is 422057104.

It is a super-2 number, since 2×401750224² = 322806484968100352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401750221) 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, 24627 + ... + 37549.

It is an arithmetic number, because the mean of its divisors is an integer number (20432844).

Almost surely, 2^401750224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401750224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408656880).

401750224 is an abundant number, since it is smaller than the sum of its proper divisors (415563536).

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

401750224 is a wasteful number, since it uses less digits than its factorization.

401750224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027 (or 13021 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 401750224 is about 20043.7078406167. The cubic root of 401750224 is about 737.8793828577.

The spelling of 401750224 in words is "four hundred one million, seven hundred fifty thousand, two hundred twenty-four".