1076245640 has 64 divisors (see below), whose sum is σ = 2498474160. Its totient is φ = 416931840.

The previous prime is 1076245627. The next prime is 1076245649. The reversal of 1076245640 is 465426701.

It can be written as a sum of positive squares in 8 ways, for example, as 165533956 + 910711684 = 12866^2 + 30178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1076245640.

It is not an unprimeable number, because it can be changed into a prime (1076245649) 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, 343280 + ... + 346400.

Almost surely, 2^1076245640 is an apocalyptic number.

1076245640 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 1076245640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249237080).

1076245640 is an abundant number, since it is smaller than the sum of its proper divisors (1422228520).

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

1076245640 is a wasteful number, since it uses less digits than its factorization.

1076245640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1076245640 is about 32806.1829538275. The cubic root of 1076245640 is about 1024.7953237960.

The spelling of 1076245640 in words is "one billion, seventy-six million, two hundred forty-five thousand, six hundred forty".