40688777445 has 32 divisors (see below), whose sum is σ = 65260339200. Its totient is φ = 21647993664.

The previous prime is 40688777429. The next prime is 40688777447. The reversal of 40688777445 is 54477788604.

It is not a de Polignac number, because 40688777445 - 2⁴ = 40688777429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40688777447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14131516 + ... + 14134394.

It is an arithmetic number, because the mean of its divisors is an integer number (2039385600).

Almost surely, 2^40688777445 is an apocalyptic number.

It is an amenable number.

40688777445 is a deficient number, since it is larger than the sum of its proper divisors (24571561755).

40688777445 is a wasteful number, since it uses less digits than its factorization.

40688777445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 42147840, while the sum is 60.

The spelling of 40688777445 in words is "forty billion, six hundred eighty-eight million, seven hundred seventy-seven thousand, four hundred forty-five".