44431020 has 36 divisors (see below), whose sum is σ = 134774640. Its totient is φ = 11848224.

The previous prime is 44430989. The next prime is 44431031. The reversal of 44431020 is 2013444.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44430984 and 44431002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123240 + ... + 123599.

It is an arithmetic number, because the mean of its divisors is an integer number (3743740).

Almost surely, 2^44431020 is an apocalyptic number.

It is an amenable number.

44431020 is an abundant number, since it is smaller than the sum of its proper divisors (90343620).

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

44431020 is a wasteful number, since it uses less digits than its factorization.

44431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246854 (or 246849 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44431020 is about 6665.6597572933. The cubic root of 44431020 is about 354.1838554672.

Adding to 44431020 its reverse (2013444), we get a palindrome (46444464).

The spelling of 44431020 in words is "forty-four million, four hundred thirty-one thousand, twenty".