42490200633679 has 64 divisors (see below), whose sum is σ = 49160547112320. Its totient is φ = 36470753280000.

The previous prime is 42490200633619. The next prime is 42490200633739. The reversal of 42490200633679 is 97633600209424.

It is an interprime number because it is at equal distance from previous prime (42490200633619) and next prime (42490200633739).

It is a cyclic number.

It is not a de Polignac number, because 42490200633679 - 2¹³ = 42490200625487 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42490200633619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 391845889 + ... + 391954309.

It is an arithmetic number, because the mean of its divisors is an integer number (768133548630).

Almost surely, 2^{42490200633679} is an apocalyptic number.

42490200633679 is a deficient number, since it is larger than the sum of its proper divisors (6670346478641).

42490200633679 is a wasteful number, since it uses less digits than its factorization.

42490200633679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108892.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 42490200633679 in words is "forty-two trillion, four hundred ninety billion, two hundred million, six hundred thirty-three thousand, six hundred seventy-nine".