401122524 has 48 divisors (see below), whose sum is σ = 1028877696. Its totient is φ = 120619200.

The previous prime is 401122511. The next prime is 401122571. The reversal of 401122524 is 425221104.

It is a self number, because there is not a number n which added to its sum of digits gives 401122524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5694 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (21434952).

Almost surely, 2^401122524 is an apocalyptic number.

401122524 is a gapful number since it is divisible by the number (44) 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 401122524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514438848).

401122524 is an abundant number, since it is smaller than the sum of its proper divisors (627755172).

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

401122524 is a wasteful number, since it uses less digits than its factorization.

401122524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23346 (or 23344 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 401122524 is about 20028.0434391380. The cubic root of 401122524 is about 737.4948916241.

Adding to 401122524 its reverse (425221104), we get a palindrome (826343628).

The spelling of 401122524 in words is "four hundred one million, one hundred twenty-two thousand, five hundred twenty-four".