1183640448790 has 16 divisors (see below), whose sum is σ = 2138134851360. Its totient is φ = 471771280960.

The previous prime is 1183640448787. The next prime is 1183640448833. The reversal of 1183640448790 is 978440463811.

It is a super-2 number, since 2×1183640448790² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 210609370 + ... + 210614989.

It is an arithmetic number, because the mean of its divisors is an integer number (133633428210).

Almost surely, 2^{1183640448790} is an apocalyptic number.

1183640448790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1183640448790 is a deficient number, since it is larger than the sum of its proper divisors (954494402570).

1183640448790 is a wasteful number, since it uses less digits than its factorization.

1183640448790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421224647.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 1183640448790 in words is "one trillion, one hundred eighty-three billion, six hundred forty million, four hundred forty-eight thousand, seven hundred ninety".