26406033540 has 48 divisors (see below), whose sum is σ = 73944142272. Its totient is φ = 7040918656.

The previous prime is 26406033527. The next prime is 26406033587. The reversal of 26406033540 is 4533060462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979522 + ... + 1006118.

It is an arithmetic number, because the mean of its divisors is an integer number (1540502964).

Almost surely, 2^26406033540 is an apocalyptic number.

26406033540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26406033540 is an abundant number, since it is smaller than the sum of its proper divisors (47538108732).

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

26406033540 is a wasteful number, since it uses less digits than its factorization.

26406033540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43156 (or 43154 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 26406033540 in words is "twenty-six billion, four hundred six million, thirty-three thousand, five hundred forty".