401340534522 has 16 divisors (see below), whose sum is σ = 805642995072. Its totient is φ = 133286523840.

The previous prime is 401340534487. The next prime is 401340534527. The reversal of 401340534522 is 225435043104.

It is a super-2 number, since 2×401340534522² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401340534527) 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, 123411823 + ... + 123415074.

It is an arithmetic number, because the mean of its divisors is an integer number (50352687192).

Almost surely, 2^401340534522 is an apocalyptic number.

401340534522 is an abundant number, since it is smaller than the sum of its proper divisors (404302460550).

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

401340534522 is a wasteful number, since it uses less digits than its factorization.

401340534522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246827173.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 401340534522 its reverse (225435043104), we get a palindrome (626775577626).

The spelling of 401340534522 in words is "four hundred one billion, three hundred forty million, five hundred thirty-four thousand, five hundred twenty-two".