401623352 has 64 divisors (see below), whose sum is σ = 841881600. Its totient is φ = 178369920.

The previous prime is 401623333. The next prime is 401623363. The reversal of 401623352 is 253326104.

It is a super-2 number, since 2×401623352² = 322602633743431808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1118549 + ... + 1118907.

It is an arithmetic number, because the mean of its divisors is an integer number (13154400).

Almost surely, 2^401623352 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 401623352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420940800).

401623352 is an abundant number, since it is smaller than the sum of its proper divisors (440258248).

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

401623352 is a wasteful number, since it uses less digits than its factorization.

401623352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 401623352 is about 20040.5427072223. The cubic root of 401623352 is about 737.8017010180.

Adding to 401623352 its reverse (253326104), we get a palindrome (654949456).

The spelling of 401623352 in words is "four hundred one million, six hundred twenty-three thousand, three hundred fifty-two".