250087442 has 32 divisors (see below), whose sum is σ = 434367360. Its totient is φ = 106727680.

The previous prime is 250087433. The next prime is 250087451. The reversal of 250087442 is 244780052.

It is an interprime number because it is at equal distance from previous prime (250087433) and next prime (250087451).

It is a super-3 number, since 3×250087442³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 250087399 and 250087408.

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, 297659 + ... + 298497.

It is an arithmetic number, because the mean of its divisors is an integer number (13573980).

Almost surely, 2^250087442 is an apocalyptic number.

250087442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

250087442 is a deficient number, since it is larger than the sum of its proper divisors (184279918).

250087442 is a wasteful number, since it uses less digits than its factorization.

250087442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 250087442 is about 15814.1532179248. The cubic root of 250087442 is about 630.0339630636.

The spelling of 250087442 in words is "two hundred fifty million, eighty-seven thousand, four hundred forty-two".