44642969 has 12 divisors (see below), whose sum is σ = 54987444. Its totient is φ = 36013824.

The previous prime is 44642953. The next prime is 44643041. The reversal of 44642969 is 96924644.

It can be written as a sum of positive squares in 2 ways, for example, as 27931225 + 16711744 = 5285^2 + 4088^2 .

It is not a de Polignac number, because 44642969 - 2⁴ = 44642953 is a prime.

It is a super-2 number, since 2×44642969² = 3985989362269922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44642369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25964 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (4582287).

Almost surely, 2^44642969 is an apocalyptic number.

44642969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

44642969 is a deficient number, since it is larger than the sum of its proper divisors (10344475).

44642969 is a wasteful number, since it uses less digits than its factorization.

44642969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53624 (or 53617 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 44642969 is about 6681.5394184275. The cubic root of 44642969 is about 354.7461492761.

The spelling of 44642969 in words is "forty-four million, six hundred forty-two thousand, nine hundred sixty-nine".