42402026406 has 32 divisors (see below), whose sum is σ = 87179557248. Its totient is φ = 13740528960.

The previous prime is 42402026347. The next prime is 42402026411. The reversal of 42402026406 is 60462020424.

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, 234916 + ... + 374151.

It is an arithmetic number, because the mean of its divisors is an integer number (2724361164).

Almost surely, 2^42402026406 is an apocalyptic number.

42402026406 is an abundant number, since it is smaller than the sum of its proper divisors (44777530842).

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

42402026406 is a wasteful number, since it uses less digits than its factorization.

42402026406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609396.

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 42402026406 in words is "forty-two billion, four hundred two million, twenty-six thousand, four hundred six".