26380791480 has 48 divisors (see below), whose sum is σ = 79147712520. Its totient is φ = 7034403264.

The previous prime is 26380791439. The next prime is 26380791487. The reversal of 26380791480 is 8419708362.

It is a super-2 number, since 2×26380791480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26380791487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1771827 + ... + 1786653.

Almost surely, 2^26380791480 is an apocalyptic number.

26380791480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26380791480 is an abundant number, since it is smaller than the sum of its proper divisors (52766921040).

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

26380791480 is an frugal number, since it uses more digits than its factorization.

26380791480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29668 (or 14837 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 26380791480 in words is "twenty-six billion, three hundred eighty million, seven hundred ninety-one thousand, four hundred eighty".