42427120662864 has 120 divisors (see below), whose sum is σ = 135703425978432. Its totient is φ = 12121678540800.

The previous prime is 42427120662853. The next prime is 42427120662869. The reversal of 42427120662864 is 46826602172424.

42427120662864 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 7 + 1 + 2 + 0 + 6 + 628 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42427120662864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42427120662869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34730992 + ... + 35931824.

Almost surely, 2^{42427120662864} is an apocalyptic number.

It is an amenable number.

42427120662864 is an abundant number, since it is smaller than the sum of its proper divisors (93276305315568).

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

42427120662864 is a wasteful number, since it uses less digits than its factorization.

42427120662864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235905 (or 1235896 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 42427120662864 in words is "forty-two trillion, four hundred twenty-seven billion, one hundred twenty million, six hundred sixty-two thousand, eight hundred sixty-four".