42145120446406 has 8 divisors (see below), whose sum is σ = 63869409336600. Its totient is φ = 20855317334208.

The previous prime is 42145120446353. The next prime is 42145120446413. The reversal of 42145120446406 is 60464402154124.

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

It is a super-2 number, since 2×42145120446406² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 108621444256 + ... + 108621444643.

It is an arithmetic number, because the mean of its divisors is an integer number (7983676167075).

Almost surely, 2^{42145120446406} is an apocalyptic number.

42145120446406 is a deficient number, since it is larger than the sum of its proper divisors (21724288890194).

42145120446406 is a wasteful number, since it uses less digits than its factorization.

42145120446406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217242888998.

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 42145120446406 in words is "forty-two trillion, one hundred forty-five billion, one hundred twenty million, four hundred forty-six thousand, four hundred six".