2551170740 has 12 divisors (see below), whose sum is σ = 5357458596. Its totient is φ = 1020468288.

The previous prime is 2551170737. The next prime is 2551170863. The reversal of 2551170740 is 470711552.

It can be written as a sum of positive squares in 2 ways, for example, as 1100779684 + 1450391056 = 33178^2 + 38084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2551170697 and 2551170706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63779249 + ... + 63779288.

It is an arithmetic number, because the mean of its divisors is an integer number (446454883).

Almost surely, 2^2551170740 is an apocalyptic number.

2551170740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551170740 is an abundant number, since it is smaller than the sum of its proper divisors (2806287856).

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

2551170740 is a wasteful number, since it uses less digits than its factorization.

2551170740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127558546 (or 127558544 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 2551170740 is about 50509.1154149427. The cubic root of 2551170740 is about 1366.4062560215.

The spelling of 2551170740 in words is "two billion, five hundred fifty-one million, one hundred seventy thousand, seven hundred forty".