42552142857 has 24 divisors (see below), whose sum is σ = 72846469696. Its totient is φ = 24315509232.

The previous prime is 42552142837. The next prime is 42552142909. The reversal of 42552142857 is 75824125524.

42552142857 is a `hidden beast` number, since 4 + 2 + 5 + 521 + 42 + 85 + 7 = 666.

It is not a de Polignac number, because 42552142857 - 2⁶ = 42552142793 is a prime.

It is a super-2 number, since 2×42552142857² (a number of 22 digits) contains 22 as substring.

42552142857 is a modest number, since divided by 142857 gives 42552 as remainder.

It is not an unprimeable number, because it can be changed into a prime (42552142837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12506278 + ... + 12509679.

Almost surely, 2^42552142857 is an apocalyptic number.

It is an amenable number.

42552142857 is a deficient number, since it is larger than the sum of its proper divisors (30294326839).

42552142857 is an equidigital number, since it uses as much as digits as its factorization.

42552142857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015979 (or 25015967 counting only the distinct ones).

The product of its digits is 896000, while the sum is 45.

The spelling of 42552142857 in words is "forty-two billion, five hundred fifty-two million, one hundred forty-two thousand, eight hundred fifty-seven".