42049250 has 16 divisors (see below), whose sum is σ = 78716664. Its totient is φ = 16819600.

The previous prime is 42049243. The next prime is 42049283. The reversal of 42049250 is 5294024.

It can be written as a sum of positive squares in 4 ways, for example, as 19704721 + 22344529 = 4439^2 + 4727^2 .

It is a Curzon 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, 83849 + ... + 84348.

Almost surely, 2^42049250 is an apocalyptic number.

42049250 is a deficient number, since it is larger than the sum of its proper divisors (36667414).

42049250 is a wasteful number, since it uses less digits than its factorization.

42049250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168214 (or 168204 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42049250 is about 6484.5393051473. The cubic root of 42049250 is about 347.7384799177.

The spelling of 42049250 in words is "forty-two million, forty-nine thousand, two hundred fifty".