401522352 has 80 divisors (see below), whose sum is σ = 1293226752. Its totient is φ = 104290560.

The previous prime is 401522351. The next prime is 401522393. The reversal of 401522352 is 253225104.

It is a super-2 number, since 2×401522352² = 322440398311223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (401522351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50623 + ... + 58014.

Almost surely, 2^401522352 is an apocalyptic number.

401522352 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401522352 is an abundant number, since it is smaller than the sum of its proper divisors (891704400).

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

401522352 is a wasteful number, since it uses less digits than its factorization.

401522352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108666 (or 108660 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 401522352 is about 20038.0226569390. The cubic root of 401522352 is about 737.7398485229.

Adding to 401522352 its reverse (253225104), we get a palindrome (654747456).

It can be divided in two parts, 401 and 522352, that added together give a triangular number (522753 = T₁₀₂₂).

The spelling of 401522352 in words is "four hundred one million, five hundred twenty-two thousand, three hundred fifty-two".