1079594820 has 72 divisors (see below), whose sum is σ = 3447138240. Its totient is φ = 272738880.

The previous prime is 1079594807. The next prime is 1079594827. The reversal of 1079594820 is 284959701.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1079594827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154416 + ... + 161255.

It is an arithmetic number, because the mean of its divisors is an integer number (47876920).

Almost surely, 2^1079594820 is an apocalyptic number.

1079594820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1079594820 is an abundant number, since it is smaller than the sum of its proper divisors (2367543420).

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

1079594820 is a wasteful number, since it uses less digits than its factorization.

1079594820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315705 (or 315700 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1079594820 is about 32857.1882546270. The cubic root of 1079594820 is about 1025.8572467622.

The spelling of 1079594820 in words is "one billion, seventy-nine million, five hundred ninety-four thousand, eight hundred twenty".