42896941257 has 16 divisors (see below), whose sum is σ = 57831800832. Its totient is φ = 28281471120.

The previous prime is 42896941253. The next prime is 42896941271. The reversal of 42896941257 is 75214969824.

It is not a de Polignac number, because 42896941257 - 2² = 42896941253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42896941197 and 42896941206.

It is not an unprimeable number, because it can be changed into a prime (42896941253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62523 + ... + 299504.

It is an arithmetic number, because the mean of its divisors is an integer number (3614487552).

Almost surely, 2^42896941257 is an apocalyptic number.

It is an amenable number.

42896941257 is a deficient number, since it is larger than the sum of its proper divisors (14934859575).

42896941257 is a wasteful number, since it uses less digits than its factorization.

42896941257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362468.

The product of its digits is 8709120, while the sum is 57.

The spelling of 42896941257 in words is "forty-two billion, eight hundred ninety-six million, nine hundred forty-one thousand, two hundred fifty-seven".