42455045522 has 4 divisors (see below), whose sum is σ = 63682568286. Its totient is φ = 21227522760.

The previous prime is 42455045509. The next prime is 42455045587. The reversal of 42455045522 is 22554055424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32909950921 + 9545094601 = 181411^2 + 97699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10613761379 + ... + 10613761382.

Almost surely, 2^42455045522 is an apocalyptic number.

42455045522 is a deficient number, since it is larger than the sum of its proper divisors (21227522764).

42455045522 is a wasteful number, since it uses less digits than its factorization.

42455045522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227522763.

The product of its (nonzero) digits is 320000, while the sum is 38.

The spelling of 42455045522 in words is "forty-two billion, four hundred fifty-five million, forty-five thousand, five hundred twenty-two".