67240465806 has 32 divisors (see below), whose sum is σ = 143347255200. Its totient is φ = 20953465856.

The previous prime is 67240465771. The next prime is 67240465847. The reversal of 67240465806 is 60856404276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196951 + ... + 2227346.

It is an arithmetic number, because the mean of its divisors is an integer number (4479601725).

Almost surely, 2^67240465806 is an apocalyptic number.

67240465806 is an abundant number, since it is smaller than the sum of its proper divisors (76106789394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67240465806 is a wasteful number, since it uses less digits than its factorization.

67240465806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424468.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 67240465806 in words is "sixty-seven billion, two hundred forty million, four hundred sixty-five thousand, eight hundred six".