2651280400 has 30 divisors (see below), whose sum is σ = 6369702122. Its totient is φ = 1060512000.

The previous prime is 2651280391. The next prime is 2651280419. The reversal of 2651280400 is 40821562.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 2651014144 = 516^2 + 51488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3313701 + ... + 3314500.

Almost surely, 2^2651280400 is an apocalyptic number.

2651280400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651280400 is an abundant number, since it is smaller than the sum of its proper divisors (3718421722).

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

2651280400 is a wasteful number, since it uses less digits than its factorization.

2651280400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628219 (or 6628208 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2651280400 is about 51490.5855472629. The cubic root of 2651280400 is about 1384.0503423166.

The spelling of 2651280400 in words is "two billion, six hundred fifty-one million, two hundred eighty thousand, four hundred".