44780538 has 16 divisors (see below), whose sum is σ = 97703136. Its totient is φ = 13569840.

The previous prime is 44780509. The next prime is 44780551. The reversal of 44780538 is 83508744.

It is a junction number, because it is equal to n+sod(n) for n = 44780496 and 44780505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339181 + ... + 339312.

It is an arithmetic number, because the mean of its divisors is an integer number (6106446).

Almost surely, 2^44780538 is an apocalyptic number.

44780538 is an abundant number, since it is smaller than the sum of its proper divisors (52922598).

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

44780538 is a wasteful number, since it uses less digits than its factorization.

44780538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678509.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 44780538 is about 6691.8262081438. The cubic root of 44780538 is about 355.1101635226.

The spelling of 44780538 in words is "forty-four million, seven hundred eighty thousand, five hundred thirty-eight".