42521244602 has 8 divisors (see below), whose sum is σ = 64985298516. Its totient is φ = 20859478432.

The previous prime is 42521244587. The next prime is 42521244613. The reversal of 42521244602 is 20644212524.

It can be written as a sum of positive squares in 2 ways, for example, as 41371966801 + 1149277801 = 203401^2 + 33901^2 .

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

It is a super-2 number, since 2×42521244602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200571803 + ... + 200572014.

Almost surely, 2^42521244602 is an apocalyptic number.

42521244602 is a deficient number, since it is larger than the sum of its proper divisors (22464053914).

42521244602 is a wasteful number, since it uses less digits than its factorization.

42521244602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401143872.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 42521244602 in words is "forty-two billion, five hundred twenty-one million, two hundred forty-four thousand, six hundred two".