42490204523 has 8 divisors (see below), whose sum is σ = 45803513616. Its totient is φ = 39183300000.

The previous prime is 42490204429. The next prime is 42490204579. The reversal of 42490204523 is 32540209424.

42490204523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42490204523 - 2¹⁶ = 42490138987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42490204123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587353 + ... + 1613898.

It is an arithmetic number, because the mean of its divisors is an integer number (5725439202).

Almost surely, 2^42490204523 is an apocalyptic number.

42490204523 is a deficient number, since it is larger than the sum of its proper divisors (3313309093).

42490204523 is a wasteful number, since it uses less digits than its factorization.

42490204523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202285.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 42490204523 in words is "forty-two billion, four hundred ninety million, two hundred four thousand, five hundred twenty-three".