40422624000646 has 4 divisors (see below), whose sum is σ = 60633936000972. Its totient is φ = 20211312000322.

The previous prime is 40422624000611. The next prime is 40422624000667. The reversal of 40422624000646 is 64600042622404.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40422624000599 and 40422624000608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105656000160 + ... + 10105656000163.

It is an arithmetic number, because the mean of its divisors is an integer number (15158484000243).

Almost surely, 2^{40422624000646} is an apocalyptic number.

40422624000646 is a deficient number, since it is larger than the sum of its proper divisors (20211312000326).

40422624000646 is a wasteful number, since it uses less digits than its factorization.

40422624000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211312000325.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 40422624000646 in words is "forty trillion, four hundred twenty-two billion, six hundred twenty-four million, six hundred forty-six", and thus it is an aban number.