40424640622446 has 16 divisors (see below), whose sum is σ = 80902788398208. Its totient is φ = 13465962348600.

The previous prime is 40424640622369. The next prime is 40424640622469. The reversal of 40424640622446 is 64422604642404.

It is a super-3 number, since 3×40424640622446³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 40424640622395 and 40424640622404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229454900 + ... + 2229473031.

It is an arithmetic number, because the mean of its divisors is an integer number (5056424274888).

Almost surely, 2^{40424640622446} is an apocalyptic number.

40424640622446 is an abundant number, since it is smaller than the sum of its proper divisors (40478147775762).

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

40424640622446 is a wasteful number, since it uses less digits than its factorization.

40424640622446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458929447.

The product of its (nonzero) digits is 7077888, while the sum is 48.

The spelling of 40424640622446 in words is "forty trillion, four hundred twenty-four billion, six hundred forty million, six hundred twenty-two thousand, four hundred forty-six".