42518277256 has 64 divisors (see below), whose sum is σ = 100121616000. Its totient is φ = 16820403264.

The previous prime is 42518277209. The next prime is 42518277287. The reversal of 42518277256 is 65277281524.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560290 + ... + 631633.

It is an arithmetic number, because the mean of its divisors is an integer number (1564400250).

Almost surely, 2^42518277256 is an apocalyptic number.

It is an amenable number.

42518277256 is an abundant number, since it is smaller than the sum of its proper divisors (57603338744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42518277256 is a wasteful number, since it uses less digits than its factorization.

42518277256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191963 (or 1191945 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 49.

The spelling of 42518277256 in words is "forty-two billion, five hundred eighteen million, two hundred seventy-seven thousand, two hundred fifty-six".