4391432496000 has 640 divisors, whose sum is σ = 17792678423520. Its totient is φ = 1064586240000.

The previous prime is 4391432495981. The next prime is 4391432496029. The reversal of 4391432496000 is 6942341934.

4391432496000 is a `hidden beast` number, since 4 + 3 + 9 + 1 + 4 + 32 + 4 + 9 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14101980 + ... + 14410020.

Almost surely, 2^{4391432496000} is an apocalyptic number.

4391432496000 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 4391432496000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8896339211760).

4391432496000 is an abundant number, since it is smaller than the sum of its proper divisors (13401245927520).

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

4391432496000 is a wasteful number, since it uses less digits than its factorization.

4391432496000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308093 (or 308062 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 4391432496000 in words is "four trillion, three hundred ninety-one billion, four hundred thirty-two million, four hundred ninety-six thousand".