2502644738 has 16 divisors (see below), whose sum is σ = 4112238240. Its totient is φ = 1132843200.

The previous prime is 2502644723. The next prime is 2502644747. The reversal of 2502644738 is 8374462052.

It is a junction number, because it is equal to n+sod(n) for n = 2502644695 and 2502644704.

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, 230708 + ... + 241311.

It is an arithmetic number, because the mean of its divisors is an integer number (257014890).

Almost surely, 2^2502644738 is an apocalyptic number.

2502644738 is a deficient number, since it is larger than the sum of its proper divisors (1609593502).

2502644738 is a wasteful number, since it uses less digits than its factorization.

2502644738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472273.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 2502644738 is about 50026.4403890583. The cubic root of 2502644738 is about 1357.6872345234.

The spelling of 2502644738 in words is "two billion, five hundred two million, six hundred forty-four thousand, seven hundred thirty-eight".