26307978824960 has 144 divisors (see below), whose sum is σ = 73487850240000. Its totient is φ = 9019878303744.

The previous prime is 26307978824903. The next prime is 26307978824977. The reversal of 26307978824960 is 6942887970362.

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, 29521760 + ... + 30399839.

Almost surely, 2^{26307978824960} is an apocalyptic number.

26307978824960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26307978824960 is an abundant number, since it is smaller than the sum of its proper divisors (47179871415040).

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

26307978824960 is an frugal number, since it uses more digits than its factorization.

26307978824960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59921641 (or 59921613 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 71.

The spelling of 26307978824960 in words is "twenty-six trillion, three hundred seven billion, nine hundred seventy-eight million, eight hundred twenty-four thousand, nine hundred sixty".