11240520426 has 12 divisors (see below), whose sum is σ = 24354460962. Its totient is φ = 3746840136.

The previous prime is 11240520409. The next prime is 11240520427. The reversal of 11240520426 is 62402504211.

11240520426 is a `hidden beast` number, since 112 + 4 + 0 + 520 + 4 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10826194401 + 414326025 = 104049^2 + 20355^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11240520426.

It is not an unprimeable number, because it can be changed into a prime (11240520427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312236661 + ... + 312236696.

Almost surely, 2^11240520426 is an apocalyptic number.

11240520426 is an abundant number, since it is smaller than the sum of its proper divisors (13113940536).

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

11240520426 is a wasteful number, since it uses less digits than its factorization.

11240520426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624473365 (or 624473362 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 11240520426 in words is "eleven billion, two hundred forty million, five hundred twenty thousand, four hundred twenty-six".