40428505814 has 4 divisors (see below), whose sum is σ = 60642758724. Its totient is φ = 20214252906.

The previous prime is 40428505771. The next prime is 40428505849. The reversal of 40428505814 is 41850582404.

40428505814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107126452 + ... + 10107126455.

It is an arithmetic number, because the mean of its divisors is an integer number (15160689681).

Almost surely, 2^40428505814 is an apocalyptic number.

40428505814 is a deficient number, since it is larger than the sum of its proper divisors (20214252910).

40428505814 is a wasteful number, since it uses less digits than its factorization.

40428505814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20214252909.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 40428505814 in words is "forty billion, four hundred twenty-eight million, five hundred five thousand, eight hundred fourteen".