2549358630 has 512 divisors, whose sum is σ = 9083289600. Its totient is φ = 493807104.

The previous prime is 2549358629. The next prime is 2549358653. The reversal of 2549358630 is 368539452.

2549358630 is a `hidden beast` number, since 2 + 5 + 4 + 9 + 3 + 5 + 8 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 20073627 + ... + 20073753.

It is an arithmetic number, because the mean of its divisors is an integer number (17740800).

Almost surely, 2^2549358630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2549358630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4541644800).

2549358630 is an abundant number, since it is smaller than the sum of its proper divisors (6533930970).

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

2549358630 is a wasteful number, since it uses less digits than its factorization.

2549358630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 2549358630 is about 50491.1737831475. The cubic root of 2549358630 is about 1366.0826575405.

The spelling of 2549358630 in words is "two billion, five hundred forty-nine million, three hundred fifty-eight thousand, six hundred thirty".