42523850 has 24 divisors (see below), whose sum is σ = 79310028. Its totient is φ = 16963200.

The previous prime is 42523823. The next prime is 42523879. The reversal of 42523850 is 5832524.

It can be written as a sum of positive squares in 6 ways, for example, as 8779369 + 33744481 = 2963^2 + 5809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21920 + ... + 23780.

Almost surely, 2^42523850 is an apocalyptic number.

42523850 is a deficient number, since it is larger than the sum of its proper divisors (36786178).

42523850 is a wasteful number, since it uses less digits than its factorization.

42523850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 42523850 is about 6521.0313601454. The cubic root of 42523850 is about 349.0418692909.

The spelling of 42523850 in words is "forty-two million, five hundred twenty-three thousand, eight hundred fifty".