1140880692 has 48 divisors (see below), whose sum is σ = 3061761920. Its totient is φ = 323885952.

The previous prime is 1140880589. The next prime is 1140880717. The reversal of 1140880692 is 2960880411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140880692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30067 + ... + 56442.

Almost surely, 2^1140880692 is an apocalyptic number.

1140880692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140880692 is an abundant number, since it is smaller than the sum of its proper divisors (1920881228).

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

1140880692 is a wasteful number, since it uses less digits than its factorization.

1140880692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86680 (or 86678 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1140880692 is about 33776.9254373455. The cubic root of 1140880692 is about 1044.9128662191.

The spelling of 1140880692 in words is "one billion, one hundred forty million, eight hundred eighty thousand, six hundred ninety-two".