88440000 has 280 divisors, whose sum is σ = 323746368. Its totient is φ = 21120000.

The previous prime is 88439983. The next prime is 88440007. The reversal of 88440000 is 4488.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (88440007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1319967 + ... + 1320033.

Almost surely, 2^88440000 is an apocalyptic number.

88440000 is a gapful number since it is divisible by the number (80) 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 88440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161873184).

88440000 is an abundant number, since it is smaller than the sum of its proper divisors (235306368).

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

88440000 is a wasteful number, since it uses less digits than its factorization.

88440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 88440000 is about 9404.2543564070. The cubic root of 88440000 is about 445.5361126869.

Adding to 88440000 its reverse (4488), we get a palindrome (88444488).

The spelling of 88440000 in words is "eighty-eight million, four hundred forty thousand".