45441641678 has 16 divisors (see below), whose sum is σ = 68278191936. Its totient is φ = 22682268000.

The previous prime is 45441641671. The next prime is 45441641711. The reversal of 45441641678 is 87614614454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45441641671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7406300 + ... + 7412432.

It is an arithmetic number, because the mean of its divisors is an integer number (4267386996).

Almost surely, 2^45441641678 is an apocalyptic number.

45441641678 is a deficient number, since it is larger than the sum of its proper divisors (22836550258).

45441641678 is a wasteful number, since it uses less digits than its factorization.

45441641678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819.

The product of its digits is 2580480, while the sum is 50.

It can be divided in two parts, 4 and 5441641678, that multiplied together give a palindrome (21766566712).

The spelling of 45441641678 in words is "forty-five billion, four hundred forty-one million, six hundred forty-one thousand, six hundred seventy-eight".