249489190444 has 36 divisors (see below), whose sum is σ = 499476459664. Its totient is φ = 108375388416.

The previous prime is 249489190429. The next prime is 249489190481. The reversal of 249489190444 is 444091984942.

It is a happy number.

It is a super-2 number, since 2×249489190444² (a number of 24 digits) contains 22 as substring.

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, 8285784 + ... + 8315839.

Almost surely, 2^249489190444 is an apocalyptic number.

It is an amenable number.

249489190444 is an abundant number, since it is smaller than the sum of its proper divisors (249987269220).

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

249489190444 is a wasteful number, since it uses less digits than its factorization.

249489190444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16601674 (or 16601655 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 249489190444 in words is "two hundred forty-nine billion, four hundred eighty-nine million, one hundred ninety thousand, four hundred forty-four".