42610556 has 12 divisors (see below), whose sum is σ = 74618880. Its totient is φ = 21290880.

The previous prime is 42610553. The next prime is 42610571. The reversal of 42610556 is 65501624.

It is a super-4 number, since 4×42610556⁴ (a number of 32 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42610553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (6218240).

Almost surely, 2^42610556 is an apocalyptic number.

It is an amenable number.

42610556 is a deficient number, since it is larger than the sum of its proper divisors (32008324).

42610556 is a wasteful number, since it uses less digits than its factorization.

42610556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42610556 is about 6527.6761561830. The cubic root of 42610556 is about 349.2789400027.

The spelling of 42610556 in words is "forty-two million, six hundred ten thousand, five hundred fifty-six".