26553133290 has 32 divisors (see below), whose sum is σ = 63886470336. Its totient is φ = 7063174400.

The previous prime is 26553133279. The next prime is 26553133291. The reversal of 26553133290 is 9233135562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26553133291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091592 + ... + 1115651.

It is an arithmetic number, because the mean of its divisors is an integer number (1996452198).

Almost surely, 2^26553133290 is an apocalyptic number.

26553133290 is an abundant number, since it is smaller than the sum of its proper divisors (37333337046).

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

26553133290 is a wasteful number, since it uses less digits than its factorization.

26553133290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207654.

The product of its (nonzero) digits is 145800, while the sum is 39.

The spelling of 26553133290 in words is "twenty-six billion, five hundred fifty-three million, one hundred thirty-three thousand, two hundred ninety".