42493616 has 20 divisors (see below), whose sum is σ = 89816424. Its totient is φ = 19315200.

The previous prime is 42493603. The next prime is 42493621. The reversal of 42493616 is 61639424.

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, 120545 + ... + 120896.

Almost surely, 2^42493616 is an apocalyptic number.

It is an amenable number.

42493616 is an abundant number, since it is smaller than the sum of its proper divisors (47322808).

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

42493616 is a wasteful number, since it uses less digits than its factorization.

42493616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241460 (or 241454 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 42493616 is about 6518.7127563653. The cubic root of 42493616 is about 348.9591280067.

It can be divided in two parts, 424936 and 16, that multiplied together give a palindrome (6798976).

The spelling of 42493616 in words is "forty-two million, four hundred ninety-three thousand, six hundred sixteen".