26402464 has 48 divisors (see below), whose sum is σ = 57316896. Its totient is φ = 11872000.

The previous prime is 26402449. The next prime is 26402471. The reversal of 26402464 is 46420462.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

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, 37314 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (1194102).

Almost surely, 2^26402464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26402464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28658448).

26402464 is an abundant number, since it is smaller than the sum of its proper divisors (30914432).

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

26402464 is a wasteful number, since it uses less digits than its factorization.

26402464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 26402464 is about 5138.3328035463. The cubic root of 26402464 is about 297.7703739816.

The spelling of 26402464 in words is "twenty-six million, four hundred two thousand, four hundred sixty-four".