40828154815 has 32 divisors (see below), whose sum is σ = 58037889024. Its totient is φ = 26991740160.

The previous prime is 40828154813. The next prime is 40828154819. The reversal of 40828154815 is 51845182804.

It is a happy number.

40828154815 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 40828154815 - 2¹ = 40828154813 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 (40828154813) 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, 75006 + ... + 295435.

It is an arithmetic number, because the mean of its divisors is an integer number (1813684032).

Almost surely, 2^40828154815 is an apocalyptic number.

40828154815 is a deficient number, since it is larger than the sum of its proper divisors (17209734209).

40828154815 is a wasteful number, since it uses less digits than its factorization.

40828154815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370567.

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 40828154815 in words is "forty billion, eight hundred twenty-eight million, one hundred fifty-four thousand, eight hundred fifteen".