44390677 has 4 divisors (see below), whose sum is σ = 45921420. Its totient is φ = 42859936.

The previous prime is 44390657. The next prime is 44390681. The reversal of 44390677 is 77609344.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 23951236 = 4521^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 44390677 - 2¹⁵ = 44357909 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 (44390657) 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, 765328 + ... + 765385.

It is an arithmetic number, because the mean of its divisors is an integer number (11480355).

Almost surely, 2^44390677 is an apocalyptic number.

It is an amenable number.

44390677 is a deficient number, since it is larger than the sum of its proper divisors (1530743).

44390677 is a wasteful number, since it uses less digits than its factorization.

44390677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530742.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 44390677 is about 6662.6328879805. The cubic root of 44390677 is about 354.0766243317.

The spelling of 44390677 in words is "forty-four million, three hundred ninety thousand, six hundred seventy-seven".