401136522 has 32 divisors (see below), whose sum is σ = 853820352. Its totient is φ = 125201664.

The previous prime is 401136517. The next prime is 401136563. The reversal of 401136522 is 225631104.

It is a junction number, because it is equal to n+sod(n) for n = 401136492 and 401136501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10113 + ... + 30075.

It is an arithmetic number, because the mean of its divisors is an integer number (26681886).

Almost surely, 2^401136522 is an apocalyptic number.

401136522 is an abundant number, since it is smaller than the sum of its proper divisors (452683830).

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

401136522 is a wasteful number, since it uses less digits than its factorization.

401136522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 401136522 is about 20028.3928960863. The cubic root of 401136522 is about 737.5034703274.

Adding to 401136522 its reverse (225631104), we get a palindrome (626767626).

The spelling of 401136522 in words is "four hundred one million, one hundred thirty-six thousand, five hundred twenty-two".