249427450242 has 48 divisors (see below), whose sum is σ = 559154119680. Its totient is φ = 80273707200.

The previous prime is 249427450231. The next prime is 249427450253. The reversal of 249427450242 is 242054724942.

249427450242 is a `hidden beast` number, since 2 + 4 + 94 + 274 + 50 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (249427450231) and next prime (249427450253).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278067 + ... + 759062.

It is an arithmetic number, because the mean of its divisors is an integer number (11649044160).

Almost surely, 2^249427450242 is an apocalyptic number.

249427450242 is an abundant number, since it is smaller than the sum of its proper divisors (309726669438).

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

249427450242 is a wasteful number, since it uses less digits than its factorization.

249427450242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037599 (or 1037596 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 249427450242 in words is "two hundred forty-nine billion, four hundred twenty-seven million, four hundred fifty thousand, two hundred forty-two".