26303505420 has 24 divisors (see below), whose sum is σ = 73649815344. Its totient is φ = 7014268096.

The previous prime is 26303505409. The next prime is 26303505469. The reversal of 26303505420 is 2450530362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219195819 + ... + 219195938.

It is an arithmetic number, because the mean of its divisors is an integer number (3068742306).

Almost surely, 2^26303505420 is an apocalyptic number.

26303505420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26303505420 is an abundant number, since it is smaller than the sum of its proper divisors (47346309924).

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

26303505420 is a wasteful number, since it uses less digits than its factorization.

26303505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438391769 (or 438391767 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 26303505420 in words is "twenty-six billion, three hundred three million, five hundred five thousand, four hundred twenty".