26433623240 has 32 divisors (see below), whose sum is σ = 59712629760. Its totient is φ = 10531320000.

The previous prime is 26433623233. The next prime is 26433623243. The reversal of 26433623240 is 4232633462.

It is a self number, because there is not a number n which added to its sum of digits gives 26433623240.

It is not an unprimeable number, because it can be changed into a prime (26433623243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306376 + ... + 1326455.

It is an arithmetic number, because the mean of its divisors is an integer number (1866019680).

Almost surely, 2^26433623240 is an apocalyptic number.

26433623240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26433623240 is an abundant number, since it is smaller than the sum of its proper divisors (33279006520).

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

26433623240 is a wasteful number, since it uses less digits than its factorization.

26433623240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633093 (or 2633089 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

The spelling of 26433623240 in words is "twenty-six billion, four hundred thirty-three million, six hundred twenty-three thousand, two hundred forty".