1000288797900 has 648 divisors, whose sum is σ = 3539319094080. Its totient is φ = 217464065280.

The previous prime is 1000288797883. The next prime is 1000288797943. The reversal of 1000288797900 is 97978820001.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 2387323891 + ... + 2387324309.

Almost surely, 2^{1000288797900} is an apocalyptic number.

1000288797900 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 1000288797900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769659547040).

1000288797900 is an abundant number, since it is smaller than the sum of its proper divisors (2539030296180).

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

1000288797900 is a wasteful number, since it uses less digits than its factorization.

1000288797900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 1000288797900 in words is "one trillion, two hundred eighty-eight million, seven hundred ninety-seven thousand, nine hundred".