26143720000 has 70 divisors (see below), whose sum is σ = 64828028078. Its totient is φ = 10457472000.

The previous prime is 26143719991. The next prime is 26143720067. The reversal of 26143720000 is 2734162.

It can be written as a sum of positive squares in 5 ways, for example, as 2543386624 + 23600333376 = 50432^2 + 153624^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 286797 + ... + 366796.

Almost surely, 2^26143720000 is an apocalyptic number.

26143720000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26143720000 is an abundant number, since it is smaller than the sum of its proper divisors (38684308078).

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

26143720000 is an frugal number, since it uses more digits than its factorization.

26143720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653625 (or 653600 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 26143720000 in words is "twenty-six billion, one hundred forty-three million, seven hundred twenty thousand".