840438881095 has 32 divisors (see below), whose sum is σ = 1135920070656. Its totient is φ = 591624633600.

The previous prime is 840438881089. The next prime is 840438881129. The reversal of 840438881095 is 590188834048.

It is a happy number.

It is not a de Polignac number, because 840438881095 - 2³³ = 831848946503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180939 + ... + 1753708.

It is an arithmetic number, because the mean of its divisors is an integer number (35497502208).

Almost surely, 2^840438881095 is an apocalyptic number.

840438881095 is a deficient number, since it is larger than the sum of its proper divisors (295481189561).

840438881095 is a wasteful number, since it uses less digits than its factorization.

840438881095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934831.

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 840438881095 in words is "eight hundred forty billion, four hundred thirty-eight million, eight hundred eighty-one thousand, ninety-five".