108443397456 has 50 divisors (see below), whose sum is σ = 313866657962. Its totient is φ = 36147798720.

The previous prime is 108443397451. The next prime is 108443397473. The reversal of 108443397456 is 654793344801.

108443397456 is a `hidden beast` number, since 1 + 0 + 84 + 433 + 97 + 45 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65220987456 + 43222410000 = 255384^2 + 207900^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108443397451) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41836435 + ... + 41839026.

Almost surely, 2^108443397456 is an apocalyptic number.

108443397456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108443397456 is an abundant number, since it is smaller than the sum of its proper divisors (205423260506).

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

108443397456 is an equidigital number, since it uses as much as digits as its factorization.

108443397456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83675481 (or 83675466 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 108443397456 in words is "one hundred eight billion, four hundred forty-three million, three hundred ninety-seven thousand, four hundred fifty-six".