42494258277 has 6 divisors (see below), whose sum is σ = 61380595302. Its totient is φ = 28329505512.

The previous prime is 42494258269. The next prime is 42494258333. The reversal of 42494258277 is 77285249424.

42494258277 is a `hidden beast` number, since 4 + 2 + 494 + 2 + 5 + 82 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38520342756 + 3973915521 = 196266^2 + 63039^2 .

It is not a de Polignac number, because 42494258277 - 2³ = 42494258269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42494258227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2360792118 + ... + 2360792135.

It is an arithmetic number, because the mean of its divisors is an integer number (10230099217).

Almost surely, 2^42494258277 is an apocalyptic number.

It is an amenable number.

42494258277 is a deficient number, since it is larger than the sum of its proper divisors (18886337025).

42494258277 is a wasteful number, since it uses less digits than its factorization.

42494258277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721584259 (or 4721584256 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 42494258277 in words is "forty-two billion, four hundred ninety-four million, two hundred fifty-eight thousand, two hundred seventy-seven".