66240250044910 has 32 divisors (see below), whose sum is σ = 119526680125440. Its totient is φ = 26430725795232.

The previous prime is 66240250044887. The next prime is 66240250044923. The reversal of 66240250044910 is 1944005204266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51687507 + ... + 52953553.

It is an arithmetic number, because the mean of its divisors is an integer number (3735208753920).

Almost surely, 2^{66240250044910} is an apocalyptic number.

66240250044910 is a deficient number, since it is larger than the sum of its proper divisors (53286430080530).

66240250044910 is a wasteful number, since it uses less digits than its factorization.

66240250044910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278960.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 66240250044910 in words is "sixty-six trillion, two hundred forty billion, two hundred fifty million, forty-four thousand, nine hundred ten".