26421950 has 24 divisors (see below), whose sum is σ = 49329432. Its totient is φ = 10529120.

The previous prime is 26421949. The next prime is 26421953. The reversal of 26421950 is 5912462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15017 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (2055393).

Almost surely, 2^26421950 is an apocalyptic number.

26421950 is a deficient number, since it is larger than the sum of its proper divisors (22907482).

26421950 is a wasteful number, since it uses less digits than its factorization.

26421950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 26421950 is about 5140.2285941386. The cubic root of 26421950 is about 297.8436111694.

The spelling of 26421950 in words is "twenty-six million, four hundred twenty-one thousand, nine hundred fifty".