1076632640 has 56 divisors (see below), whose sum is σ = 2599895232. Its totient is φ = 424578560.

The previous prime is 1076632639. The next prime is 1076632643. The reversal of 1076632640 is 462366701.

It is a self number, because there is not a number n which added to its sum of digits gives 1076632640.

It is not an unprimeable number, because it can be changed into a prime (1076632643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 46413.

Almost surely, 2^1076632640 is an apocalyptic number.

1076632640 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 1076632640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299947616).

1076632640 is an abundant number, since it is smaller than the sum of its proper divisors (1523262592).

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

1076632640 is an equidigital number, since it uses as much as digits as its factorization.

1076632640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475 (or 47465 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1076632640 is about 32812.0807020829. The cubic root of 1076632640 is about 1024.9181421839.

The spelling of 1076632640 in words is "one billion, seventy-six million, six hundred thirty-two thousand, six hundred forty".