26261197430 has 32 divisors (see below), whose sum is σ = 50914186848. Its totient is φ = 9694944000.

The previous prime is 26261197429. The next prime is 26261197447. The reversal of 26261197430 is 3479116262.

26261197430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×26261197430³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179905 + ... + 1201955.

It is an arithmetic number, because the mean of its divisors is an integer number (1591068339).

Almost surely, 2^26261197430 is an apocalyptic number.

26261197430 is a deficient number, since it is larger than the sum of its proper divisors (24652989418).

26261197430 is a wasteful number, since it uses less digits than its factorization.

26261197430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31232.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 26261197430 in words is "twenty-six billion, two hundred sixty-one million, one hundred ninety-seven thousand, four hundred thirty".