26954133540 has 48 divisors (see below), whose sum is σ = 75504206400. Its totient is φ = 7184661120.

The previous prime is 26954133511. The next prime is 26954133559. The reversal of 26954133540 is 4533145962.

It is a junction number, because it is equal to n+sod(n) for n = 26954133492 and 26954133501.

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, 44511 + ... + 236409.

It is an arithmetic number, because the mean of its divisors is an integer number (1573004300).

Almost surely, 2^26954133540 is an apocalyptic number.

26954133540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26954133540 is an abundant number, since it is smaller than the sum of its proper divisors (48550072860).

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

26954133540 is a wasteful number, since it uses less digits than its factorization.

26954133540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194252 (or 194250 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 26954133540 in words is "twenty-six billion, nine hundred fifty-four million, one hundred thirty-three thousand, five hundred forty".