40374216855 has 32 divisors (see below), whose sum is σ = 82030156800. Its totient is φ = 18456784416.

The previous prime is 40374216833. The next prime is 40374216889. The reversal of 40374216855 is 55861247304.

It is not a de Polignac number, because 40374216855 - 2⁵ = 40374216823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40374216855.

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, 21361075 + ... + 21362964.

It is an arithmetic number, because the mean of its divisors is an integer number (2563442400).

Almost surely, 2^40374216855 is an apocalyptic number.

40374216855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40374216855 is an abundant number, since it is smaller than the sum of its proper divisors (41655939945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40374216855 is a wasteful number, since it uses less digits than its factorization.

40374216855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42724060 (or 42724054 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 40374216855 in words is "forty billion, three hundred seventy-four million, two hundred sixteen thousand, eight hundred fifty-five".