401134523412 has 48 divisors (see below), whose sum is σ = 1132615128960. Its totient is φ = 107868106752.

The previous prime is 401134523401. The next prime is 401134523431. The reversal of 401134523412 is 214325431104.

It is a super-2 number, since 2×401134523412² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401134523412.

It is a congruent number.

It is an unprimeable number.

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, 140451837 + ... + 140454692.

It is an arithmetic number, because the mean of its divisors is an integer number (23596148520).

Almost surely, 2^401134523412 is an apocalyptic number.

401134523412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401134523412 is an abundant number, since it is smaller than the sum of its proper divisors (731480605548).

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

401134523412 is a wasteful number, since it uses less digits than its factorization.

401134523412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280906560 (or 280906558 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 401134523412 its reverse (214325431104), we get a palindrome (615459954516).

The spelling of 401134523412 in words is "four hundred one billion, one hundred thirty-four million, five hundred twenty-three thousand, four hundred twelve".