42025856702466 has 256 divisors, whose sum is σ = 105601041100800. Its totient is φ = 10854592745472.

The previous prime is 42025856702393. The next prime is 42025856702491. The reversal of 42025856702466 is 66420765852024.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12556274605 + ... + 12556277951.

It is an arithmetic number, because the mean of its divisors is an integer number (412504066800).

Almost surely, 2^{42025856702466} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42025856702466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52800520550400).

42025856702466 is an abundant number, since it is smaller than the sum of its proper divisors (63575184398334).

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

42025856702466 is a wasteful number, since it uses less digits than its factorization.

42025856702466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793.

The product of its (nonzero) digits is 38707200, while the sum is 57.

The spelling of 42025856702466 in words is "forty-two trillion, twenty-five billion, eight hundred fifty-six million, seven hundred two thousand, four hundred sixty-six".