44640354 has 32 divisors (see below), whose sum is σ = 98127936. Its totient is φ = 13425920.

The previous prime is 44640331. The next prime is 44640359. The reversal of 44640354 is 45304644.

It is a super-2 number, since 2×44640354² = 3985522410490632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44640359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6574 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (3066498).

Almost surely, 2^44640354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44640354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49063968).

44640354 is an abundant number, since it is smaller than the sum of its proper divisors (53487582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44640354 is a wasteful number, since it uses less digits than its factorization.

44640354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 44640354 is about 6681.3437271256. The cubic root of 44640354 is about 354.7392226214.

Adding to 44640354 its reverse (45304644), we get a palindrome (89944998).

The spelling of 44640354 in words is "forty-four million, six hundred forty thousand, three hundred fifty-four".