44840670671 has 4 divisors (see below), whose sum is σ = 46790265072. Its totient is φ = 42891076272.

The previous prime is 44840670631. The next prime is 44840670689. The reversal of 44840670671 is 17607604844.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44840670671 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 (44840670631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974797166 + ... + 974797211.

It is an arithmetic number, because the mean of its divisors is an integer number (11697566268).

Almost surely, 2^44840670671 is an apocalyptic number.

44840670671 is a deficient number, since it is larger than the sum of its proper divisors (1949594401).

44840670671 is a wasteful number, since it uses less digits than its factorization.

44840670671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949594400.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 44840670671 in words is "forty-four billion, eight hundred forty million, six hundred seventy thousand, six hundred seventy-one".