44140477 has 8 divisors (see below), whose sum is σ = 47597760. Its totient is φ = 40796640.

The previous prime is 44140463. The next prime is 44140511. The reversal of 44140477 is 77404144.

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

It is not a de Polignac number, because 44140477 - 2¹¹ = 44138429 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 (44140417) 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, 27553 + ... + 29110.

It is an arithmetic number, because the mean of its divisors is an integer number (5949720).

Almost surely, 2^44140477 is an apocalyptic number.

It is an amenable number.

44140477 is a deficient number, since it is larger than the sum of its proper divisors (3457283).

44140477 is a wasteful number, since it uses less digits than its factorization.

44140477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56723.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 44140477 is about 6643.8299948147. The cubic root of 44140477 is about 353.4101410295.

The spelling of 44140477 in words is "forty-four million, one hundred forty thousand, four hundred seventy-seven".