26707240464 has 160 divisors (see below), whose sum is σ = 72955330560. Its totient is φ = 8402397696.

The previous prime is 26707240429. The next prime is 26707240481. The reversal of 26707240464 is 46404270762.

It is a happy number.

It is a super-3 number, since 3×26707240464³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33509314 + ... + 33510110.

It is an arithmetic number, because the mean of its divisors is an integer number (455970816).

Almost surely, 2^26707240464 is an apocalyptic number.

26707240464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26707240464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36477665280).

26707240464 is an abundant number, since it is smaller than the sum of its proper divisors (46248090096).

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

26707240464 is a wasteful number, since it uses less digits than its factorization.

26707240464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 26707240464 in words is "twenty-six billion, seven hundred seven million, two hundred forty thousand, four hundred sixty-four".