1026079820 has 48 divisors (see below), whose sum is σ = 2187494400. Its totient is φ = 404243136.

The previous prime is 1026079807. The next prime is 1026079823. The reversal of 1026079820 is 289706201.

It is a happy number.

1026079820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1026079820² = 2105679594022464800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026079823) 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, 408689 + ... + 411191.

It is an arithmetic number, because the mean of its divisors is an integer number (45572800).

Almost surely, 2^1026079820 is an apocalyptic number.

1026079820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026079820 is an abundant number, since it is smaller than the sum of its proper divisors (1161414580).

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

1026079820 is a wasteful number, since it uses less digits than its factorization.

1026079820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1026079820 is about 32032.4807031863. The cubic root of 1026079820 is about 1008.6187766126.

The spelling of 1026079820 in words is "one billion, twenty-six million, seventy-nine thousand, eight hundred twenty".