26421054 has 32 divisors (see below), whose sum is σ = 58254336. Its totient is φ = 7921920.

The previous prime is 26421053. The next prime is 26421061. The reversal of 26421054 is 45012462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421053) 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, 4339 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (1820448).

Almost surely, 2^26421054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26421054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29127168).

26421054 is an abundant number, since it is smaller than the sum of its proper divisors (31833282).

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

26421054 is a wasteful number, since it uses less digits than its factorization.

26421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 26421054 is about 5140.1414377427. The cubic root of 26421054 is about 297.8402443867.

The spelling of 26421054 in words is "twenty-six million, four hundred twenty-one thousand, fifty-four".