40745189679 has 16 divisors (see below), whose sum is σ = 54796210560. Its totient is φ = 26929375200.

The previous prime is 40745189677. The next prime is 40745189687. The reversal of 40745189679 is 97698154704.

40745189679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40745189679 - 2¹ = 40745189677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745189677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222624 + ... + 362010.

It is an arithmetic number, because the mean of its divisors is an integer number (3424763160).

Almost surely, 2^40745189679 is an apocalyptic number.

40745189679 is a deficient number, since it is larger than the sum of its proper divisors (14051020881).

40745189679 is a wasteful number, since it uses less digits than its factorization.

40745189679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140230.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 40745189679 in words is "forty billion, seven hundred forty-five million, one hundred eighty-nine thousand, six hundred seventy-nine".