40551047710638 has 32 divisors (see below), whose sum is σ = 84763654688160. Its totient is φ = 12916366417920.

The previous prime is 40551047710571. The next prime is 40551047710699. The reversal of 40551047710638 is 83601774015504.

It is a happy number.

40551047710638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1201282083 + ... + 1201315838.

It is an arithmetic number, because the mean of its divisors is an integer number (2648864209005).

Almost surely, 2^{40551047710638} is an apocalyptic number.

40551047710638 is an abundant number, since it is smaller than the sum of its proper divisors (44212606977522).

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

40551047710638 is a wasteful number, since it uses less digits than its factorization.

40551047710638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402598052.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 40551047710638 in words is "forty trillion, five hundred fifty-one billion, forty-seven million, seven hundred ten thousand, six hundred thirty-eight".