40450288819 has 8 divisors (see below), whose sum is σ = 40604576240. Its totient is φ = 40296289536.

The previous prime is 40450288799. The next prime is 40450288859. The reversal of 40450288819 is 91888205404.

40450288819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40450288819 - 2⁷ = 40450288691 is a prime.

It is a super-2 number, since 2×40450288819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40450288859) 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, 211387 + ... + 354379.

It is an arithmetic number, because the mean of its divisors is an integer number (5075572030).

Almost surely, 2^40450288819 is an apocalyptic number.

40450288819 is a deficient number, since it is larger than the sum of its proper divisors (154287421).

40450288819 is a wasteful number, since it uses less digits than its factorization.

40450288819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144069.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 40450288819 in words is "forty billion, four hundred fifty million, two hundred eighty-eight thousand, eight hundred nineteen".