26739332940 has 24 divisors (see below), whose sum is σ = 74870132400. Its totient is φ = 7130488768.

The previous prime is 26739332857. The next prime is 26739332941. The reversal of 26739332940 is 4923393762.

It is a self number, because there is not a number n which added to its sum of digits gives 26739332940.

It is not an unprimeable number, because it can be changed into a prime (26739332941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222827715 + ... + 222827834.

It is an arithmetic number, because the mean of its divisors is an integer number (3119588850).

Almost surely, 2^26739332940 is an apocalyptic number.

26739332940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26739332940 is an abundant number, since it is smaller than the sum of its proper divisors (48130799460).

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

26739332940 is a wasteful number, since it uses less digits than its factorization.

26739332940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445655561 (or 445655559 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 26739332940 in words is "twenty-six billion, seven hundred thirty-nine million, three hundred thirty-two thousand, nine hundred forty".