1162040990 has 32 divisors (see below), whose sum is σ = 2320513920. Its totient is φ = 415396000.

The previous prime is 1162040989. The next prime is 1162040993. The reversal of 1162040990 is 990402611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162040993) 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, 83036 + ... + 96015.

It is an arithmetic number, because the mean of its divisors is an integer number (72516060).

Almost surely, 2^1162040990 is an apocalyptic number.

1162040990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1162040990 is a deficient number, since it is larger than the sum of its proper divisors (1158472930).

1162040990 is a wasteful number, since it uses less digits than its factorization.

1162040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179128.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1162040990 is about 34088.7223286529. The cubic root of 1162040990 is about 1051.3334502334. Note that the first 3 decimals are identical.

The spelling of 1162040990 in words is "one billion, one hundred sixty-two million, forty thousand, nine hundred ninety".