44778260484 has 96 divisors (see below), whose sum is σ = 118557828480. Its totient is φ = 14611363200.

The previous prime is 44778260477. The next prime is 44778260497. The reversal of 44778260484 is 48406287744.

It is a super-2 number, since 2×44778260484² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 44778260484.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373962 + ... + 1406174.

It is an arithmetic number, because the mean of its divisors is an integer number (1234977380).

Almost surely, 2^44778260484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44778260484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59278914240).

44778260484 is an abundant number, since it is smaller than the sum of its proper divisors (73779567996).

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

44778260484 is a wasteful number, since it uses less digits than its factorization.

44778260484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32498 (or 32490 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 54.

The spelling of 44778260484 in words is "forty-four billion, seven hundred seventy-eight million, two hundred sixty thousand, four hundred eighty-four".