43445454492 has 192 divisors, whose sum is σ = 121953484800. Its totient is φ = 11882661120.

The previous prime is 43445454491. The next prime is 43445454551. The reversal of 43445454492 is 29445454434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43445454491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15977109 + ... + 15979827.

It is an arithmetic number, because the mean of its divisors is an integer number (635174400).

Almost surely, 2^43445454492 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 43445454492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60976742400).

43445454492 is an abundant number, since it is smaller than the sum of its proper divisors (78508030308).

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

43445454492 is a wasteful number, since it uses less digits than its factorization.

43445454492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3054 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 48.

The spelling of 43445454492 in words is "forty-three billion, four hundred forty-five million, four hundred fifty-four thousand, four hundred ninety-two".