44797780 has 12 divisors (see below), whose sum is σ = 94075380. Its totient is φ = 17919104.

The previous prime is 44797777. The next prime is 44797799. The reversal of 44797780 is 8779744.

It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 36048016 = 2958^2 + 6004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44797780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119925 + ... + 1119964.

It is an arithmetic number, because the mean of its divisors is an integer number (7839615).

Almost surely, 2^44797780 is an apocalyptic number.

It is an amenable number.

44797780 is an abundant number, since it is smaller than the sum of its proper divisors (49277600).

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

44797780 is a wasteful number, since it uses less digits than its factorization.

44797780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239898 (or 2239896 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 44797780 is about 6693.1143722485. The cubic root of 44797780 is about 355.1557340916.

The spelling of 44797780 in words is "forty-four million, seven hundred ninety-seven thousand, seven hundred eighty".