1161474840 has 48 divisors (see below), whose sum is σ = 3774794400. Its totient is φ = 309726528.

The previous prime is 1161474823. The next prime is 1161474863. The reversal of 1161474840 is 484741611.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1161474795 and 1161474804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612800 + ... + 1613519.

It is an arithmetic number, because the mean of its divisors is an integer number (78641550).

Almost surely, 2^1161474840 is an apocalyptic number.

1161474840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161474840 is an abundant number, since it is smaller than the sum of its proper divisors (2613319560).

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

1161474840 is a wasteful number, since it uses less digits than its factorization.

1161474840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226336 (or 3226329 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1161474840 is about 34080.4172509669. The cubic root of 1161474840 is about 1051.1626848510.

The spelling of 1161474840 in words is "one billion, one hundred sixty-one million, four hundred seventy-four thousand, eight hundred forty".