42490200633678 has 24 divisors (see below), whose sum is σ = 105213830140848. Its totient is φ = 12140057323872.

The previous prime is 42490200633619. The next prime is 42490200633739. The reversal of 42490200633678 is 87633600209424.

42490200633678 is a `hidden beast` number, since 4 + 2 + 490 + 20 + 0 + 63 + 3 + 6 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168611907151 + ... + 168611907402.

It is an arithmetic number, because the mean of its divisors is an integer number (4383909589202).

Almost surely, 2^{42490200633678} is an apocalyptic number.

42490200633678 is an abundant number, since it is smaller than the sum of its proper divisors (62723629507170).

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

42490200633678 is a wasteful number, since it uses less digits than its factorization.

42490200633678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337223814568 (or 337223814565 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 42490200633678 in words is "forty-two trillion, four hundred ninety billion, two hundred million, six hundred thirty-three thousand, six hundred seventy-eight".