249338260644 has 48 divisors (see below), whose sum is σ = 634713703680. Its totient is φ = 75552942240.

The previous prime is 249338260583. The next prime is 249338260663. The reversal of 249338260644 is 446062833942.

It is a happy number.

249338260644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131187 + ... + 3209829.

It is an arithmetic number, because the mean of its divisors is an integer number (13223202160).

Almost surely, 2^249338260644 is an apocalyptic number.

It is an amenable number.

249338260644 is an abundant number, since it is smaller than the sum of its proper divisors (385375443036).

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

249338260644 is a wasteful number, since it uses less digits than its factorization.

249338260644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102680 (or 102678 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 249338260644 in words is "two hundred forty-nine billion, three hundred thirty-eight million, two hundred sixty thousand, six hundred forty-four".