40288729055 has 16 divisors (see below), whose sum is σ = 48618861984. Its totient is φ = 32049575040.

The previous prime is 40288729021. The next prime is 40288729057. The reversal of 40288729055 is 55092788204.

It is a de Polignac number, because none of the positive numbers 2^k-40288729055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40288728994 and 40288729012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40288729057) 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, 1933040 + ... + 1953770.

It is an arithmetic number, because the mean of its divisors is an integer number (3038678874).

Almost surely, 2^40288729055 is an apocalyptic number.

40288729055 is a deficient number, since it is larger than the sum of its proper divisors (8330132929).

40288729055 is a wasteful number, since it uses less digits than its factorization.

40288729055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22906.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 40288729055 in words is "forty billion, two hundred eighty-eight million, seven hundred twenty-nine thousand, fifty-five".