26262978 has 32 divisors (see below), whose sum is σ = 63191040. Its totient is φ = 7108560.

The previous prime is 26262961. The next prime is 26262979. The reversal of 26262978 is 87926262.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26262979) 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, 15658 + ... + 17253.

It is an arithmetic number, because the mean of its divisors is an integer number (1974720).

Almost surely, 2^26262978 is an apocalyptic number.

26262978 is an abundant number, since it is smaller than the sum of its proper divisors (36928062).

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

26262978 is a wasteful number, since it uses less digits than its factorization.

26262978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32942.

The product of its digits is 145152, while the sum is 42.

The square root of 26262978 is about 5124.7417495909. The cubic root of 26262978 is about 297.2450674857.

The spelling of 26262978 in words is "twenty-six million, two hundred sixty-two thousand, nine hundred seventy-eight".