438493383000 has 192 divisors, whose sum is σ = 1495962393120. Its totient is φ = 115838496000.

The previous prime is 438493382923. The next prime is 438493383017. The reversal of 438493383000 is 383394834.

438493383000 is a `hidden beast` number, since 4 + 3 + 8 + 4 + 9 + 338 + 300 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 735330 + ... + 1190670.

Almost surely, 2^438493383000 is an apocalyptic number.

438493383000 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 438493383000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747981196560).

438493383000 is an abundant number, since it is smaller than the sum of its proper divisors (1057469010120).

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

438493383000 is a wasteful number, since it uses less digits than its factorization.

438493383000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455475 (or 455458 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 438493383000 in words is "four hundred thirty-eight billion, four hundred ninety-three million, three hundred eighty-three thousand".