26142520 has 16 divisors (see below), whose sum is σ = 58820760. Its totient is φ = 10456992.

The previous prime is 26142509. The next prime is 26142521. The reversal of 26142520 is 2524162.

It is a junction number, because it is equal to n+sod(n) for n = 26142491 and 26142500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26142521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326742 + ... + 326821.

Almost surely, 2^26142520 is an apocalyptic number.

26142520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26142520 is an abundant number, since it is smaller than the sum of its proper divisors (32678240).

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

26142520 is a wasteful number, since it uses less digits than its factorization.

26142520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653574 (or 653570 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 26142520 is about 5112.9756502452. The cubic root of 26142520 is about 296.7899219920.

Adding to 26142520 its reverse (2524162), we get a palindrome (28666682).

It can be divided in two parts, 26142 and 520, that added together give a palindrome (26662).

The spelling of 26142520 in words is "twenty-six million, one hundred forty-two thousand, five hundred twenty".