26131182780 has 48 divisors (see below), whose sum is σ = 75527553024. Its totient is φ = 6743530560.

The previous prime is 26131182769. The next prime is 26131182787. The reversal of 26131182780 is 8728113162.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26131182787) 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, 7022652 + ... + 7026371.

It is an arithmetic number, because the mean of its divisors is an integer number (1573490688).

Almost surely, 2^26131182780 is an apocalyptic number.

26131182780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26131182780 is an abundant number, since it is smaller than the sum of its proper divisors (49396370244).

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

26131182780 is a wasteful number, since it uses less digits than its factorization.

26131182780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14049066 (or 14049064 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 26131182780 in words is "twenty-six billion, one hundred thirty-one million, one hundred eighty-two thousand, seven hundred eighty".