42038658 has 12 divisors (see below), whose sum is σ = 91083798. Its totient is φ = 14012880.

The previous prime is 42038629. The next prime is 42038663. The reversal of 42038658 is 85683024.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 11269449 = 5547^2 + 3357^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167723 + ... + 1167758.

Almost surely, 2^42038658 is an apocalyptic number.

42038658 is an abundant number, since it is smaller than the sum of its proper divisors (49045140).

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

42038658 is a wasteful number, since it uses less digits than its factorization.

42038658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335489 (or 2335486 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42038658 is about 6483.7225418736. The cubic root of 42038658 is about 347.7092795928.

The spelling of 42038658 in words is "forty-two million, thirty-eight thousand, six hundred fifty-eight".