26131501420 has 24 divisors (see below), whose sum is σ = 57764372400. Its totient is φ = 9902463552.

The previous prime is 26131501381. The next prime is 26131501481. The reversal of 26131501420 is 2410513162.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34383175 + ... + 34383934.

It is an arithmetic number, because the mean of its divisors is an integer number (2406848850).

Almost surely, 2^26131501420 is an apocalyptic number.

26131501420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26131501420 is an abundant number, since it is smaller than the sum of its proper divisors (31632870980).

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

26131501420 is a wasteful number, since it uses less digits than its factorization.

26131501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68767137 (or 68767135 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 26131501420 in words is "twenty-six billion, one hundred thirty-one million, five hundred one thousand, four hundred twenty".