42672510802 has 4 divisors (see below), whose sum is σ = 64008766206. Its totient is φ = 21336255400.

The previous prime is 42672510791. The next prime is 42672510823. The reversal of 42672510802 is 20801527624.

It is a happy number.

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., 22985895321 + 19686615481 = 151611^2 + 140309^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10668127699 + ... + 10668127702.

Almost surely, 2^42672510802 is an apocalyptic number.

42672510802 is a deficient number, since it is larger than the sum of its proper divisors (21336255404).

42672510802 is a wasteful number, since it uses less digits than its factorization.

42672510802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336255403.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 42672510802 in words is "forty-two billion, six hundred seventy-two million, five hundred ten thousand, eight hundred two".