42040658 has 16 divisors (see below), whose sum is σ = 70654464. Its totient is φ = 18592560.

The previous prime is 42040637. The next prime is 42040667. The reversal of 42040658 is 85604024.

It is a self number, because there is not a number n which added to its sum of digits gives 42040658.

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, 25010 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (4415904).

Almost surely, 2^42040658 is an apocalyptic number.

42040658 is a deficient number, since it is larger than the sum of its proper divisors (28613806).

42040658 is a wasteful number, since it uses less digits than its factorization.

42040658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51697.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 42040658 is about 6483.8767724256. The cubic root of 42040658 is about 347.7147936249.

The spelling of 42040658 in words is "forty-two million, forty thousand, six hundred fifty-eight".