249630797044 has 24 divisors (see below), whose sum is σ = 462641699520. Its totient is φ = 117450327936.

The previous prime is 249630797033. The next prime is 249630797083. The reversal of 249630797044 is 440797036942.

It is a congruent number.

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, 6624 + ... + 706615.

It is an arithmetic number, because the mean of its divisors is an integer number (19276737480).

Almost surely, 2^249630797044 is an apocalyptic number.

It is an amenable number.

249630797044 is a deficient number, since it is larger than the sum of its proper divisors (213010902476).

249630797044 is a wasteful number, since it uses less digits than its factorization.

249630797044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718407 (or 718405 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 249630797044 in words is "two hundred forty-nine billion, six hundred thirty million, seven hundred ninety-seven thousand, forty-four".