44451020 has 24 divisors (see below), whose sum is σ = 94034304. Its totient is φ = 17649536.

The previous prime is 44451007. The next prime is 44451031. The reversal of 44451020 is 2015444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44450983 and 44451001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5372 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (3918096).

Almost surely, 2^44451020 is an apocalyptic number.

It is an amenable number.

44451020 is an abundant number, since it is smaller than the sum of its proper divisors (49583284).

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

44451020 is a wasteful number, since it uses less digits than its factorization.

44451020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369 (or 16367 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44451020 is about 6667.1598150937. The cubic root of 44451020 is about 354.2369911256.

Adding to 44451020 its reverse (2015444), we get a palindrome (46466464).

The spelling of 44451020 in words is "forty-four million, four hundred fifty-one thousand, twenty".