2500001390280 has 64 divisors (see below), whose sum is σ = 7627122907200. Its totient is φ = 655367594240.

The previous prime is 2500001390269. The next prime is 2500001390351. The reversal of 2500001390280 is 820931000052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176546691 + ... + 176560850.

It is an arithmetic number, because the mean of its divisors is an integer number (119173795425).

Almost surely, 2^{2500001390280} is an apocalyptic number.

2500001390280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500001390280 is an abundant number, since it is smaller than the sum of its proper divisors (5127121516920).

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

2500001390280 is a wasteful number, since it uses less digits than its factorization.

2500001390280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353107614 (or 353107610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 2500001390280 in words is "two trillion, five hundred billion, one million, three hundred ninety thousand, two hundred eighty".