42056288 has 12 divisors (see below), whose sum is σ = 82798380. Its totient is φ = 21028128.

The previous prime is 42056269. The next prime is 42056303. The reversal of 42056288 is 88265024.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657098 + ... + 657161.

It is an arithmetic number, because the mean of its divisors is an integer number (6899865).

Almost surely, 2^42056288 is an apocalyptic number.

It is an amenable number.

42056288 is a deficient number, since it is larger than the sum of its proper divisors (40742092).

42056288 is a wasteful number, since it uses less digits than its factorization.

42056288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314269 (or 1314261 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 42056288 is about 6485.0819578476. The cubic root of 42056288 is about 347.7578797634.

The spelling of 42056288 in words is "forty-two million, fifty-six thousand, two hundred eighty-eight".