42478271972 has 12 divisors (see below), whose sum is σ = 75031714800. Its totient is φ = 21040639176.

The previous prime is 42478271903. The next prime is 42478272061. The reversal of 42478271972 is 27917287424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49623722 + ... + 49624577.

It is an arithmetic number, because the mean of its divisors is an integer number (6252642900).

Almost surely, 2^42478271972 is an apocalyptic number.

It is an amenable number.

42478271972 is a deficient number, since it is larger than the sum of its proper divisors (32553442828).

42478271972 is a wasteful number, since it uses less digits than its factorization.

42478271972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99248410 (or 99248408 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 53.

The spelling of 42478271972 in words is "forty-two billion, four hundred seventy-eight million, two hundred seventy-one thousand, nine hundred seventy-two".