42260557 has 8 divisors (see below), whose sum is σ = 43273440. Its totient is φ = 41255760.

The previous prime is 42260539. The next prime is 42260563. The reversal of 42260557 is 75506224.

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

It is a cyclic number.

It is not a de Polignac number, because 42260557 - 2⁷ = 42260429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42266557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9294 + ... + 13072.

It is an arithmetic number, because the mean of its divisors is an integer number (5409180).

Almost surely, 2^42260557 is an apocalyptic number.

It is an amenable number.

42260557 is a deficient number, since it is larger than the sum of its proper divisors (1012883).

42260557 is a wasteful number, since it uses less digits than its factorization.

42260557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 42260557 is about 6500.8120262010. The cubic root of 42260557 is about 348.3199951141.

The spelling of 42260557 in words is "forty-two million, two hundred sixty thousand, five hundred fifty-seven".