43998252107040 has 2592 divisors, whose sum is σ = 197138182969728. Its totient is φ = 8742098534400.

The previous prime is 43998252106933. The next prime is 43998252107063. The reversal of 43998252107040 is 4070125289934.

43998252107040 is a `hidden beast` number, since 4 + 3 + 9 + 9 + 8 + 2 + 521 + 0 + 70 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 182565361320 + ... + 182565361560.

Almost surely, 2^{43998252107040} is an apocalyptic number.

43998252107040 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 43998252107040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98569091484864).

43998252107040 is an abundant number, since it is smaller than the sum of its proper divisors (153139930862688).

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

43998252107040 is a wasteful number, since it uses less digits than its factorization.

43998252107040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 43998252107040 in words is "forty-three trillion, nine hundred ninety-eight billion, two hundred fifty-two million, one hundred seven thousand, forty".