11640980490 has 32 divisors (see below), whose sum is σ = 28105660800. Its totient is φ = 3085671744.

The previous prime is 11640980489. The next prime is 11640980497. The reversal of 11640980490 is 9408904611.

It is not an unprimeable number, because it can be changed into a prime (11640980497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156765 + ... + 1166784.

It is an arithmetic number, because the mean of its divisors is an integer number (878301900).

Almost surely, 2^11640980490 is an apocalyptic number.

11640980490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11640980490 is an abundant number, since it is smaller than the sum of its proper divisors (16464680310).

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

11640980490 is a wasteful number, since it uses less digits than its factorization.

11640980490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323726.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 11640980490 in words is "eleven billion, six hundred forty million, nine hundred eighty thousand, four hundred ninety".