44719561 has 4 divisors (see below), whose sum is σ = 45810324. Its totient is φ = 43628800.

The previous prime is 44719541. The next prime is 44719573. The reversal of 44719561 is 16591744.

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 11943936 + 32775625 = 3456^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 44719561 - 2¹³ = 44711369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44719561.

It is not an unprimeable number, because it can be changed into a prime (44719501) 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, 545320 + ... + 545401.

It is an arithmetic number, because the mean of its divisors is an integer number (11452581).

Almost surely, 2^44719561 is an apocalyptic number.

44719561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44719561 is a deficient number, since it is larger than the sum of its proper divisors (1090763).

44719561 is a wasteful number, since it uses less digits than its factorization.

44719561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090762.

The product of its digits is 30240, while the sum is 37.

The square root of 44719561 is about 6687.2685754350. The cubic root of 44719561 is about 354.9489075448.

The spelling of 44719561 in words is "forty-four million, seven hundred nineteen thousand, five hundred sixty-one".