1000764400 has 30 divisors (see below), whose sum is σ = 2404337432. Its totient is φ = 400305600.

The previous prime is 1000764361. The next prime is 1000764403. The reversal of 1000764400 is 44670001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000764403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1250556 + ... + 1251355.

Almost surely, 2^1000764400 is an apocalyptic number.

1000764400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000764400 is an abundant number, since it is smaller than the sum of its proper divisors (1403573032).

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

1000764400 is a wasteful number, since it uses less digits than its factorization.

1000764400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501929 (or 2501918 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1000764400 is about 31634.8605181057. The cubic root of 1000764400 is about 1000.2547351045.

The spelling of 1000764400 in words is "one billion, seven hundred sixty-four thousand, four hundred".