26434403374420 has 24 divisors (see below), whose sum is σ = 55949351399424. Its totient is φ = 10490503385376.

The previous prime is 26434403374411. The next prime is 26434403374433. The reversal of 26434403374420 is 2447330443462.

It is a congruent 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, 5203620172 + ... + 5203625251.

It is an arithmetic number, because the mean of its divisors is an integer number (2331222974976).

Almost surely, 2^{26434403374420} is an apocalyptic number.

26434403374420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26434403374420 is an abundant number, since it is smaller than the sum of its proper divisors (29514948025004).

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

26434403374420 is a wasteful number, since it uses less digits than its factorization.

26434403374420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407245559 (or 10407245557 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 46.

The spelling of 26434403374420 in words is "twenty-six trillion, four hundred thirty-four billion, four hundred three million, three hundred seventy-four thousand, four hundred twenty".