42648658 has 8 divisors (see below), whose sum is σ = 68894028. Its totient is φ = 19683984.

The previous prime is 42648643. The next prime is 42648667. The reversal of 42648658 is 85684624.

It can be written as a sum of positive squares in 2 ways, for example, as 42029289 + 619369 = 6483^2 + 787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820141 + ... + 820192.

Almost surely, 2^42648658 is an apocalyptic number.

42648658 is a deficient number, since it is larger than the sum of its proper divisors (26245370).

42648658 is a wasteful number, since it uses less digits than its factorization.

42648658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640348.

The product of its digits is 368640, while the sum is 43.

The square root of 42648658 is about 6530.5940005485. The cubic root of 42648658 is about 349.3830164155.

The spelling of 42648658 in words is "forty-two million, six hundred forty-eight thousand, six hundred fifty-eight".