26162415504 has 75 divisors (see below), whose sum is σ = 75738477793. Its totient is φ = 8718864192.

The previous prime is 26162415457. The next prime is 26162415509. The reversal of 26162415504 is 40551426162.

The square root of 26162415504 is 161748.

It is a perfect power (a square), and thus also a powerful number.

26162415504 is a `hidden beast` number, since 2 + 6 + 1 + 62 + 41 + 550 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26069331600 + 93083904 = 161460^2 + 9648^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26162415509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5820682 + ... + 5825174.

Almost surely, 2^26162415504 is an apocalyptic number.

26162415504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

26162415504 is the 161748-th square number.

It is an amenable number.

26162415504 is an abundant number, since it is smaller than the sum of its proper divisors (49576062289).

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

26162415504 is an frugal number, since it uses more digits than its factorization.

26162415504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Multiplying 26162415504 by its sum of digits (36), we get a square (941846958144 = 970488²).

26162415504 divided by its sum of digits (36) gives a square (726733764 = 26958²).

The spelling of 26162415504 in words is "twenty-six billion, one hundred sixty-two million, four hundred fifteen thousand, five hundred four".