42490200040685 has 16 divisors (see below), whose sum is σ = 53988929158896. Its totient is φ = 31991802912768.

The previous prime is 42490200040667. The next prime is 42490200040723. The reversal of 42490200040685 is 58604000209424.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2264200335076 + 40225999705609 = 1504726^2 + 6342397^2 .

It is a cyclic number.

It is not a de Polignac number, because 42490200040685 - 2⁶ = 42490200040621 is a prime.

It is a congruent number.

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, 3039872 + ... + 9706761.

It is an arithmetic number, because the mean of its divisors is an integer number (3374308072431).

Almost surely, 2^{42490200040685} is an apocalyptic number.

It is an amenable number.

42490200040685 is a deficient number, since it is larger than the sum of its proper divisors (11498729118211).

42490200040685 is a wasteful number, since it uses less digits than its factorization.

42490200040685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785872.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 42490200040685 in words is "forty-two trillion, four hundred ninety billion, two hundred million, forty thousand, six hundred eighty-five".