42656959278902 has 8 divisors (see below), whose sum is σ = 64001423301816. Its totient is φ = 21323151511632.

The previous prime is 42656959278889. The next prime is 42656959278977. The reversal of 42656959278902 is 20987295965624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42656959278902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664053903 + ... + 2664069914.

It is an arithmetic number, because the mean of its divisors is an integer number (8000177912727).

Almost surely, 2^{42656959278902} is an apocalyptic number.

42656959278902 is a deficient number, since it is larger than the sum of its proper divisors (21344464022914).

42656959278902 is a wasteful number, since it uses less digits than its factorization.

42656959278902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328127822.

The product of its (nonzero) digits is 1175731200, while the sum is 74.

The spelling of 42656959278902 in words is "forty-two trillion, six hundred fifty-six billion, nine hundred fifty-nine million, two hundred seventy-eight thousand, nine hundred two".