2554951540 has 12 divisors (see below), whose sum is σ = 5365398276. Its totient is φ = 1021980608.

The previous prime is 2554951523. The next prime is 2554951541. The reversal of 2554951540 is 451594552.

2554951540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 693374224 + 1861577316 = 26332^2 + 43146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2554951493 and 2554951502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554951541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63873769 + ... + 63873808.

It is an arithmetic number, because the mean of its divisors is an integer number (447116523).

Almost surely, 2^2554951540 is an apocalyptic number.

2554951540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2554951540 is an abundant number, since it is smaller than the sum of its proper divisors (2810446736).

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

2554951540 is a wasteful number, since it uses less digits than its factorization.

2554951540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127747586 (or 127747584 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 2554951540 is about 50546.5284663546. The cubic root of 2554951540 is about 1367.0809212849.

The spelling of 2554951540 in words is "two billion, five hundred fifty-four million, nine hundred fifty-one thousand, five hundred forty".