43812225444 has 288 divisors, whose sum is σ = 120873513600. Its totient is φ = 12270551040.

The previous prime is 43812225407. The next prime is 43812225451. The reversal of 43812225444 is 44452221834.

It is a super-2 number, since 2×43812225444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 244760947 + ... + 244761125.

It is an arithmetic number, because the mean of its divisors is an integer number (419699700).

Almost surely, 2^43812225444 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 43812225444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60436756800).

43812225444 is an abundant number, since it is smaller than the sum of its proper divisors (77061288156).

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

43812225444 is a wasteful number, since it uses less digits than its factorization.

43812225444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 364 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The spelling of 43812225444 in words is "forty-three billion, eight hundred twelve million, two hundred twenty-five thousand, four hundred forty-four".