42250046864 has 10 divisors (see below), whose sum is σ = 81859465830. Its totient is φ = 21125023424.

The previous prime is 42250046837. The next prime is 42250046887. The reversal of 42250046864 is 46864005224.

It can be written as a sum of positive squares in only one way, i.e., 39167576464 + 3082470400 = 197908^2 + 55520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320313949 + ... + 1320313980.

It is an arithmetic number, because the mean of its divisors is an integer number (8185946583).

Almost surely, 2^42250046864 is an apocalyptic number.

It is an amenable number.

42250046864 is a deficient number, since it is larger than the sum of its proper divisors (39609418966).

42250046864 is a wasteful number, since it uses less digits than its factorization.

42250046864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640627937 (or 2640627931 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 42250046864 in words is "forty-two billion, two hundred fifty million, forty-six thousand, eight hundred sixty-four".