43996952381382 has 160 divisors (see below), whose sum is σ = 132366899960064. Its totient is φ = 10548719812800.

The previous prime is 43996952381381. The next prime is 43996952381383. The reversal of 43996952381382 is 28318325969934.

43996952381382 is a `hidden beast` number, since 4 + 3 + 9 + 9 + 6 + 9 + 5 + 238 + 1 + 382 = 666.

It is an interprime number because it is at equal distance from previous prime (43996952381381) and next prime (43996952381383).

It is a self number, because there is not a number n which added to its sum of digits gives 43996952381382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43996952381381) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135495244 + ... + 135819567.

Almost surely, 2^{43996952381382} is an apocalyptic number.

43996952381382 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43996952381382 is an abundant number, since it is smaller than the sum of its proper divisors (88369947578682).

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

43996952381382 is a wasteful number, since it uses less digits than its factorization.

43996952381382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271314856 (or 271314847 counting only the distinct ones).

The product of its digits is 604661760, while the sum is 72.

The spelling of 43996952381382 in words is "forty-three trillion, nine hundred ninety-six billion, nine hundred fifty-two million, three hundred eighty-one thousand, three hundred eighty-two".