2549119728 has 40 divisors (see below), whose sum is σ = 6693188176. Its totient is φ = 835776000.

The previous prime is 2549119717. The next prime is 2549119799. The reversal of 2549119728 is 8279119452.

It is a happy number.

It is a super-2 number, since 2×2549119728² = 12996022775357587968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432373 + ... + 438228.

Almost surely, 2^2549119728 is an apocalyptic number.

It is an amenable number.

2549119728 is an abundant number, since it is smaller than the sum of its proper divisors (4144068448).

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

2549119728 is a wasteful number, since it uses less digits than its factorization.

2549119728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870673 (or 870667 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 2549119728 is about 50488.8079479007. The cubic root of 2549119728 is about 1366.0399840526.

The spelling of 2549119728 in words is "two billion, five hundred forty-nine million, one hundred nineteen thousand, seven hundred twenty-eight".