44770040 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 15216768.

The previous prime is 44770039. The next prime is 44770043. The reversal of 44770040 is 4007744.

44770040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44769991 and 44770009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44770043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34931 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^44770040 is an apocalyptic number.

44770040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44770040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).

44770040 is an abundant number, since it is smaller than the sum of its proper divisors (71351560).

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

44770040 is a wasteful number, since it uses less digits than its factorization.

44770040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 44770040 is about 6691.0417723999. The cubic root of 44770040 is about 355.0824116017.

Adding to 44770040 its reverse (4007744), we get a palindrome (48777784).

The spelling of 44770040 in words is "forty-four million, seven hundred seventy thousand, forty".