26346413730 has 128 divisors (see below), whose sum is σ = 78026457600. Its totient is φ = 5544290304.

The previous prime is 26346413729. The next prime is 26346413789. The reversal of 26346413730 is 3731464362.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1049566 + ... + 1074374.

It is an arithmetic number, because the mean of its divisors is an integer number (609581700).

Almost surely, 2^26346413730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26346413730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39013228800).

26346413730 is an abundant number, since it is smaller than the sum of its proper divisors (51680043870).

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

26346413730 is a wasteful number, since it uses less digits than its factorization.

26346413730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25228.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 26346413730 in words is "twenty-six billion, three hundred forty-six million, four hundred thirteen thousand, seven hundred thirty".