249388000002 has 24 divisors (see below), whose sum is σ = 541402259580. Its totient is φ = 82966011360.

The previous prime is 249387999997. The next prime is 249388000051. The reversal of 249388000002 is 200000883942.

It can be written as a sum of positive squares in 2 ways, for example, as 247923330561 + 1464669441 = 497919^2 + 38271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13600749 + ... + 13619072.

Almost surely, 2^249388000002 is an apocalyptic number.

249388000002 is an abundant number, since it is smaller than the sum of its proper divisors (292014259578).

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

249388000002 is a wasteful number, since it uses less digits than its factorization.

249388000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27220338 (or 27220335 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 249388000002 its reverse (200000883942), we get a palindrome (449388883944).

The spelling of 249388000002 in words is "two hundred forty-nine billion, three hundred eighty-eight million, two", and thus it is an aban number.