44120294820 has 648 divisors, whose sum is σ = 174273240960. Its totient is φ = 8982005760.

The previous prime is 44120294807. The next prime is 44120294849. The reversal of 44120294820 is 2849202144.

44120294820 is a `hidden beast` number, since 441 + 202 + 9 + 4 + 8 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 48430165 + ... + 48431075.

Almost surely, 2^44120294820 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 44120294820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87136620480).

44120294820 is an abundant number, since it is smaller than the sum of its proper divisors (130152946140).

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

44120294820 is a wasteful number, since it uses less digits than its factorization.

44120294820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

Adding to 44120294820 its reverse (2849202144), we get a palindrome (46969496964).

The spelling of 44120294820 in words is "forty-four billion, one hundred twenty million, two hundred ninety-four thousand, eight hundred twenty".