43974909120000 has 400 divisors, whose sum is σ = 155004433916112. Its totient is φ = 11036835840000.

The previous prime is 43974909119987. The next prime is 43974909120011. The reversal of 43974909120000 is 2190947934.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×43974909120000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14972730 + ... + 17667270.

Almost surely, 2^{43974909120000} is an apocalyptic number.

43974909120000 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 43974909120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77502216958056).

43974909120000 is an abundant number, since it is smaller than the sum of its proper divisors (111029524796112).

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

43974909120000 is an equidigital number, since it uses as much as digits as its factorization.

43974909120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694599 (or 2694568 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 43974909120000 in words is "forty-three trillion, nine hundred seventy-four billion, nine hundred nine million, one hundred twenty thousand".