42493023490 has 16 divisors (see below), whose sum is σ = 76562521920. Its totient is φ = 16980525040.

The previous prime is 42493023451. The next prime is 42493023493. The reversal of 42493023490 is 9432039424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42493023493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074846 + ... + 2095225.

It is an arithmetic number, because the mean of its divisors is an integer number (4785157620).

Almost surely, 2^42493023490 is an apocalyptic number.

42493023490 is a deficient number, since it is larger than the sum of its proper divisors (34069498430).

42493023490 is a wasteful number, since it uses less digits than its factorization.

42493023490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171097.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 42493023490 in words is "forty-two billion, four hundred ninety-three million, twenty-three thousand, four hundred ninety".