26402642 has 16 divisors (see below), whose sum is σ = 45384192. Its totient is φ = 11284800.

The previous prime is 26402627. The next prime is 26402653. The reversal of 26402642 is 24620462.

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, 3263 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (2836512).

Almost surely, 2^26402642 is an apocalyptic number.

26402642 is a deficient number, since it is larger than the sum of its proper divisors (18981550).

26402642 is a wasteful number, since it uses less digits than its factorization.

26402642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 26402642 is about 5138.3501243103. The cubic root of 26402642 is about 297.7710431490.

The spelling of 26402642 in words is "twenty-six million, four hundred two thousand, six hundred forty-two".