18253586280426 has 16 divisors (see below), whose sum is σ = 41722482926784. Its totient is φ = 5215310365824.

The previous prime is 18253586280409. The next prime is 18253586280431. The reversal of 18253586280426 is 62408268535281.

It is a self number, because there is not a number n which added to its sum of digits gives 18253586280426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217304598535 + ... + 217304598618.

It is an arithmetic number, because the mean of its divisors is an integer number (2607655182924).

Almost surely, 2^{18253586280426} is an apocalyptic number.

18253586280426 is an abundant number, since it is smaller than the sum of its proper divisors (23468896646358).

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

18253586280426 is a wasteful number, since it uses less digits than its factorization.

18253586280426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434609197165.

The product of its (nonzero) digits is 44236800, while the sum is 60.

The spelling of 18253586280426 in words is "eighteen trillion, two hundred fifty-three billion, five hundred eighty-six million, two hundred eighty thousand, four hundred twenty-six".