26454363240 has 64 divisors (see below), whose sum is σ = 79934097600. Its totient is φ = 7003740672.

The previous prime is 26454363239. The next prime is 26454363283. The reversal of 26454363240 is 4236345462.

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, 776317 + ... + 809676.

It is an arithmetic number, because the mean of its divisors is an integer number (1248970275).

Almost surely, 2^26454363240 is an apocalyptic number.

26454363240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26454363240 is an abundant number, since it is smaller than the sum of its proper divisors (53479734360).

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

26454363240 is a wasteful number, since it uses less digits than its factorization.

26454363240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586146 (or 1586142 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 26454363240 in words is "twenty-six billion, four hundred fifty-four million, three hundred sixty-three thousand, two hundred forty".