42259456490 has 32 divisors (see below), whose sum is σ = 76318664400. Its totient is φ = 16847921664.

The previous prime is 42259456441. The next prime is 42259456493. The reversal of 42259456490 is 9465495224.

It can be written as a sum of positive squares in 8 ways, for example, as 39785488369 + 2473968121 = 199463^2 + 49739^2 .

It is not an unprimeable number, because it can be changed into a prime (42259456493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9087686 + ... + 9092334.

Almost surely, 2^42259456490 is an apocalyptic number.

42259456490 is a deficient number, since it is larger than the sum of its proper divisors (34059207910).

42259456490 is a wasteful number, since it uses less digits than its factorization.

42259456490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 42259456490 in words is "forty-two billion, two hundred fifty-nine million, four hundred fifty-six thousand, four hundred ninety".