47242126438858 has 32 divisors (see below), whose sum is σ = 76354101439056. Its totient is φ = 21792661037568.

The previous prime is 47242126438807. The next prime is 47242126438877. The reversal of 47242126438858 is 85883462124274.

It can be written as a sum of positive squares in 8 ways, for example, as 1546324581169 + 45695801857689 = 1243513^2 + 6759867^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47242126438858.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739825660 + ... + 739889512.

Almost surely, 2^{47242126438858} is an apocalyptic number.

47242126438858 is a deficient number, since it is larger than the sum of its proper divisors (29111975000198).

47242126438858 is a wasteful number, since it uses less digits than its factorization.

47242126438858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78298.

The product of its digits is 165150720, while the sum is 64.

The spelling of 47242126438858 in words is "forty-seven trillion, two hundred forty-two billion, one hundred twenty-six million, four hundred thirty-eight thousand, eight hundred fifty-eight".