42881407257 has 64 divisors (see below), whose sum is σ = 65692940544. Its totient is φ = 24647639040.

The previous prime is 42881407243. The next prime is 42881407271. The reversal of 42881407257 is 75270418824.

It is an interprime number because it is at equal distance from previous prime (42881407243) and next prime (42881407271).

It is not a de Polignac number, because 42881407257 - 2¹⁴ = 42881390873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42881405257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93018007 + ... + 93018467.

It is an arithmetic number, because the mean of its divisors is an integer number (1026452196).

Almost surely, 2^42881407257 is an apocalyptic number.

It is an amenable number.

42881407257 is a deficient number, since it is larger than the sum of its proper divisors (22811533287).

42881407257 is a wasteful number, since it uses less digits than its factorization.

42881407257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 42881407257 in words is "forty-two billion, eight hundred eighty-one million, four hundred seven thousand, two hundred fifty-seven".