2549538450 has 96 divisors (see below), whose sum is σ = 7438720320. Its totient is φ = 639878400.

The previous prime is 2549538437. The next prime is 2549538457. The reversal of 2549538450 is 548359452.

2549538450 is a `hidden beast` number, since 2 + 549 + 53 + 8 + 4 + 50 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2549538396 and 2549538405.

It is not an unprimeable number, because it can be changed into a prime (2549538457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32596 + ... + 78495.

It is an arithmetic number, because the mean of its divisors is an integer number (77486670).

Almost surely, 2^2549538450 is an apocalyptic number.

2549538450 is an abundant number, since it is smaller than the sum of its proper divisors (4889181870).

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

2549538450 is a wasteful number, since it uses less digits than its factorization.

2549538450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111129 (or 111118 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 2549538450 is about 50492.9544590134. The cubic root of 2549538450 is about 1366.1147758421.

The spelling of 2549538450 in words is "two billion, five hundred forty-nine million, five hundred thirty-eight thousand, four hundred fifty".