42406044446 has 8 divisors (see below), whose sum is σ = 63629457024. Its totient is φ = 21196225440.

The previous prime is 42406044431. The next prime is 42406044481. The reversal of 42406044446 is 64444060424.

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

It is a super-2 number, since 2×42406044446² (a number of 22 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, 3390590 + ... + 3403073.

It is an arithmetic number, because the mean of its divisors is an integer number (7953682128).

Almost surely, 2^42406044446 is an apocalyptic number.

42406044446 is a deficient number, since it is larger than the sum of its proper divisors (21223412578).

42406044446 is a wasteful number, since it uses less digits than its factorization.

42406044446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796786.

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 42406044446 in words is "forty-two billion, four hundred six million, forty-four thousand, four hundred forty-six".