40642473705 has 32 divisors (see below), whose sum is σ = 65492762880. Its totient is φ = 21521203200.

The previous prime is 40642473653. The next prime is 40642473713. The reversal of 40642473705 is 50737424604.

It is not a de Polignac number, because 40642473705 - 2¹¹ = 40642471657 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6087249 + ... + 6093921.

It is an arithmetic number, because the mean of its divisors is an integer number (2046648840).

Almost surely, 2^40642473705 is an apocalyptic number.

It is an amenable number.

40642473705 is a deficient number, since it is larger than the sum of its proper divisors (24850289175).

40642473705 is a wasteful number, since it uses less digits than its factorization.

40642473705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 40642473705 in words is "forty billion, six hundred forty-two million, four hundred seventy-three thousand, seven hundred five".