26402838 has 32 divisors (see below), whose sum is σ = 65836800. Its totient is φ = 6857760.

The previous prime is 26402807. The next prime is 26402839. The reversal of 26402838 is 83820462.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 26402799 and 26402808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26402839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28113 + ... + 29036.

It is an arithmetic number, because the mean of its divisors is an integer number (2057400).

Almost surely, 2^26402838 is an apocalyptic number.

26402838 is an abundant number, since it is smaller than the sum of its proper divisors (39433962).

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

26402838 is a wasteful number, since it uses less digits than its factorization.

26402838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57172.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 26402838 is about 5138.3691965448. The cubic root of 26402838 is about 297.7717799816.

The spelling of 26402838 in words is "twenty-six million, four hundred two thousand, eight hundred thirty-eight".