26430000 has 100 divisors (see below), whose sum is σ = 85416408. Its totient is φ = 7040000.

The previous prime is 26429971. The next prime is 26430023. The reversal of 26430000 is 3462.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29560 + ... + 30440.

Almost surely, 2^26430000 is an apocalyptic number.

26430000 is a gapful number since it is divisible by the number (20) 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 26430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42708204).

26430000 is an abundant number, since it is smaller than the sum of its proper divisors (58986408).

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

26430000 is an equidigital number, since it uses as much as digits as its factorization.

26430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 26430000 is about 5141.0115736108. The cubic root of 26430000 is about 297.8738561943.

Adding to 26430000 its reverse (3462), we get a palindrome (26433462).

The spelling of 26430000 in words is "twenty-six million, four hundred thirty thousand".