1079855994 has 64 divisors (see below), whose sum is σ = 2602828800. Its totient is φ = 291765888.

The previous prime is 1079855983. The next prime is 1079855999. The reversal of 1079855994 is 4995589701.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1079855999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683097 + ... + 684675.

It is an arithmetic number, because the mean of its divisors is an integer number (40669200).

Almost surely, 2^1079855994 is an apocalyptic number.

1079855994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1079855994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301414400).

1079855994 is an abundant number, since it is smaller than the sum of its proper divisors (1522972806).

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

1079855994 is a wasteful number, since it uses less digits than its factorization.

1079855994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The square root of 1079855994 is about 32861.1623957522. The cubic root of 1079855994 is about 1025.9399647205.

The spelling of 1079855994 in words is "one billion, seventy-nine million, eight hundred fifty-five thousand, nine hundred ninety-four".