26573682581380 has 48 divisors (see below), whose sum is σ = 61711834754304. Its totient is φ = 9530785278720.

The previous prime is 26573682581333. The next prime is 26573682581387. The reversal of 26573682581380 is 8318528637562.

It is not an unprimeable number, because it can be changed into a prime (26573682581387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827309052 + ... + 827341171.

It is an arithmetic number, because the mean of its divisors is an integer number (1285663224048).

Almost surely, 2^{26573682581380} is an apocalyptic number.

26573682581380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26573682581380 is an abundant number, since it is smaller than the sum of its proper divisors (35138152172924).

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

26573682581380 is a wasteful number, since it uses less digits than its factorization.

26573682581380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654650316 (or 1654650314 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 26573682581380 in words is "twenty-six trillion, five hundred seventy-three billion, six hundred eighty-two million, five hundred eighty-one thousand, three hundred eighty".