249388000004 has 48 divisors (see below), whose sum is σ = 517519751616. Its totient is φ = 103660368000.

The previous prime is 249387999997. The next prime is 249388000051. The reversal of 249388000004 is 400000883942.

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, 1976147 + ... + 2098554.

It is an arithmetic number, because the mean of its divisors is an integer number (10781661492).

Almost surely, 2^249388000004 is an apocalyptic number.

It is an amenable number.

249388000004 is an abundant number, since it is smaller than the sum of its proper divisors (268131751612).

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

249388000004 is a wasteful number, since it uses less digits than its factorization.

249388000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074836 (or 4074834 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

Adding to 249388000004 its reverse (400000883942), we get a palindrome (649388883946).

The spelling of 249388000004 in words is "two hundred forty-nine billion, three hundred eighty-eight million, four", and thus it is an aban number.