249080628788 has 24 divisors (see below), whose sum is σ = 457855117440. Its totient is φ = 118336600800.

The previous prime is 249080628787. The next prime is 249080628827. The reversal of 249080628788 is 887826080942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 249080628788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249080628787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951003 + ... + 8978786.

It is an arithmetic number, because the mean of its divisors is an integer number (19077296560).

Almost surely, 2^249080628788 is an apocalyptic number.

It is an amenable number.

249080628788 is a deficient number, since it is larger than the sum of its proper divisors (208774488652).

249080628788 is a wasteful number, since it uses less digits than its factorization.

249080628788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929967 (or 17929965 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 62.

The spelling of 249080628788 in words is "two hundred forty-nine billion, eighty million, six hundred twenty-eight thousand, seven hundred eighty-eight".