26467329940 has 24 divisors (see below), whose sum is σ = 55824116040. Its totient is φ = 10540699008.

The previous prime is 26467329923. The next prime is 26467329983. The reversal of 26467329940 is 4992376462.

It can be written as a sum of positive squares in 4 ways, for example, as 11151782404 + 15315547536 = 105602^2 + 123756^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2884867 + ... + 2894026.

It is an arithmetic number, because the mean of its divisors is an integer number (2326004835).

Almost surely, 2^26467329940 is an apocalyptic number.

26467329940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26467329940 is an abundant number, since it is smaller than the sum of its proper divisors (29356786100).

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

26467329940 is a wasteful number, since it uses less digits than its factorization.

26467329940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779131 (or 5779129 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 26467329940 in words is "twenty-six billion, four hundred sixty-seven million, three hundred twenty-nine thousand, nine hundred forty".