40044048120 has 384 divisors, whose sum is σ = 141489504000. Its totient is φ = 9789880320.

The previous prime is 40044048043. The next prime is 40044048137. The reversal of 40044048120 is 2184044004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27037780 + ... + 27039260.

It is an arithmetic number, because the mean of its divisors is an integer number (368462250).

Almost surely, 2^40044048120 is an apocalyptic number.

40044048120 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 40044048120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70744752000).

40044048120 is an abundant number, since it is smaller than the sum of its proper divisors (101445455880).

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

40044048120 is a wasteful number, since it uses less digits than its factorization.

40044048120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The spelling of 40044048120 in words is "forty billion, forty-four million, forty-eight thousand, one hundred twenty".