44401493 has 4 divisors (see below), whose sum is σ = 44484108. Its totient is φ = 44318880.

The previous prime is 44401481. The next prime is 44401507. The reversal of 44401493 is 39410444.

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 5750404 + 38651089 = 2398^2 + 6217^2 .

It is a cyclic number.

It is not a de Polignac number, because 44401493 - 2¹⁶ = 44335957 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 (44401463) 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, 40496 + ... + 41577.

It is an arithmetic number, because the mean of its divisors is an integer number (11121027).

Almost surely, 2^44401493 is an apocalyptic number.

It is an amenable number.

44401493 is a deficient number, since it is larger than the sum of its proper divisors (82615).

44401493 is an equidigital number, since it uses as much as digits as its factorization.

44401493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82614.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 44401493 is about 6663.4445296708. Note that the first 3 decimals coincide. The cubic root of 44401493 is about 354.1053794820.

The spelling of 44401493 in words is "forty-four million, four hundred one thousand, four hundred ninety-three".