1090326399264 has 60 divisors (see below), whose sum is σ = 3206619661014. Its totient is φ = 363442132224.

The previous prime is 1090326399179. The next prime is 1090326399293. The reversal of 1090326399264 is 4629936230901.

It can be written as a sum of positive squares in only one way, i.e., 1073088810000 + 17237589264 = 1035900^2 + 131292^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1090326399264.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 210322717 + ... + 210327900.

Almost surely, 2^{1090326399264} is an apocalyptic number.

It is an amenable number.

1090326399264 is an abundant number, since it is smaller than the sum of its proper divisors (2116293261750).

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

1090326399264 is an equidigital number, since it uses as much as digits as its factorization.

1090326399264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420650639 (or 420650622 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 1090326399264 in words is "one trillion, ninety billion, three hundred twenty-six million, three hundred ninety-nine thousand, two hundred sixty-four".