1079403840 has 224 divisors, whose sum is σ = 3830238720. Its totient is φ = 286156800.

The previous prime is 1079403827. The next prime is 1079403859. The reversal of 1079403840 is 483049701.

It is a happy number.

It is a super-2 number, since 2×1079403840² = 2330225299613491200, which contains 22 as substring.

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 = 1079403795 and 1079403804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2341210 + ... + 2341670.

It is an arithmetic number, because the mean of its divisors is an integer number (17099280).

Almost surely, 2^1079403840 is an apocalyptic number.

1079403840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1079403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915119360).

1079403840 is an abundant number, since it is smaller than the sum of its proper divisors (2750834880).

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

1079403840 is a wasteful number, since it uses less digits than its factorization.

1079403840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1079403840 is about 32854.2819127127. The cubic root of 1079403840 is about 1025.7967519151.

The spelling of 1079403840 in words is "one billion, seventy-nine million, four hundred three thousand, eight hundred forty".