26401485 has 16 divisors (see below), whose sum is σ = 46082880. Its totient is φ = 12800640.

The previous prime is 26401481. The next prime is 26401511. The reversal of 26401485 is 58410462.

It is not a de Polignac number, because 26401485 - 2² = 26401481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401481) 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, 79840 + ... + 80169.

It is an arithmetic number, because the mean of its divisors is an integer number (2880180).

Almost surely, 2^26401485 is an apocalyptic number.

It is an amenable number.

26401485 is a deficient number, since it is larger than the sum of its proper divisors (19681395).

26401485 is a wasteful number, since it uses less digits than its factorization.

26401485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160028.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 26401485 is about 5138.2375383005. The cubic root of 26401485 is about 297.7666935069.

It can be divided in two parts, 2640 and 1485, that multiplied together give a square (3920400 = 1980²).

The spelling of 26401485 in words is "twenty-six million, four hundred one thousand, four hundred eighty-five".