249250207948 has 24 divisors (see below), whose sum is σ = 500568895904. Its totient is φ = 106378272000.

The previous prime is 249250207937. The next prime is 249250207961. The reversal of 249250207948 is 849702052942.

It is a junction number, because it is equal to n+sod(n) for n = 249250207895 and 249250207904.

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, 18461703 + ... + 18475198.

Almost surely, 2^249250207948 is an apocalyptic number.

249250207948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

249250207948 is an abundant number, since it is smaller than the sum of its proper divisors (251318687956).

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

249250207948 is a wasteful number, since it uses less digits than its factorization.

249250207948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937153 (or 36937151 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 249250207948 in words is "two hundred forty-nine billion, two hundred fifty million, two hundred seven thousand, nine hundred forty-eight".