11409282990 has 72 divisors (see below), whose sum is σ = 34507273320. Its totient is φ = 2607835104.

The previous prime is 11409282961. The next prime is 11409283031. The reversal of 11409282990 is 9928290411.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1289160 + ... + 1297979.

It is an arithmetic number, because the mean of its divisors is an integer number (479267685).

Almost surely, 2^11409282990 is an apocalyptic number.

11409282990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11409282990 is an abundant number, since it is smaller than the sum of its proper divisors (23097990330).

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

11409282990 is a wasteful number, since it uses less digits than its factorization.

11409282990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587166 (or 2587156 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 11409282990 in words is "eleven billion, four hundred nine million, two hundred eighty-two thousand, nine hundred ninety".