100028745000 has 240 divisors, whose sum is σ = 340428668580. Its totient is φ = 26524800000.

The previous prime is 100028744999. The next prime is 100028745053. The reversal of 100028745000 is 547820001.

It can be written as a sum of positive squares in 10 ways, for example, as 16089907716 + 83938837284 = 126846^2 + 289722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8138860 + ... + 8151140.

Almost surely, 2^100028745000 is an apocalyptic number.

100028745000 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 100028745000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170214334290).

100028745000 is an abundant number, since it is smaller than the sum of its proper divisors (240399923580).

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

100028745000 is a wasteful number, since it uses less digits than its factorization.

100028745000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494 (or 12472 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 100028745000 in words is "one hundred billion, twenty-eight million, seven hundred forty-five thousand".