44345420 has 24 divisors (see below), whose sum is σ = 106429344. Its totient is φ = 15204096.

The previous prime is 44345419. The next prime is 44345423. The reversal of 44345420 is 2454344.

It is a self number, because there is not a number n which added to its sum of digits gives 44345420.

It is not an unprimeable number, because it can be changed into a prime (44345423) 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, 158237 + ... + 158516.

It is an arithmetic number, because the mean of its divisors is an integer number (4434556).

Almost surely, 2^44345420 is an apocalyptic number.

It is an amenable number.

44345420 is an abundant number, since it is smaller than the sum of its proper divisors (62083924).

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

44345420 is a wasteful number, since it uses less digits than its factorization.

44345420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316769 (or 316767 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 44345420 is about 6659.2356918794. The cubic root of 44345420 is about 353.9562545027.

Adding to 44345420 its reverse (2454344), we get a palindrome (46799764).

The spelling of 44345420 in words is "forty-four million, three hundred forty-five thousand, four hundred twenty".