40688424077 has 8 divisors (see below), whose sum is σ = 46502603136. Its totient is φ = 34874631792.

The previous prime is 40688424059. The next prime is 40688424083. The reversal of 40688424077 is 77042488604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40688424077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40688420077) 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, 182483 + ... + 338639.

It is an arithmetic number, because the mean of its divisors is an integer number (5812825392).

Almost surely, 2^40688424077 is an apocalyptic number.

It is an amenable number.

40688424077 is a deficient number, since it is larger than the sum of its proper divisors (5814179059).

40688424077 is a wasteful number, since it uses less digits than its factorization.

40688424077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193387.

The product of its (nonzero) digits is 2408448, while the sum is 50.

The spelling of 40688424077 in words is "forty billion, six hundred eighty-eight million, four hundred twenty-four thousand, seventy-seven".