26450520 has 32 divisors (see below), whose sum is σ = 79351920. Its totient is φ = 7053440.

The previous prime is 26450513. The next prime is 26450531. The reversal of 26450520 is 2505462.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110091 + ... + 110330.

Almost surely, 2^26450520 is an apocalyptic number.

26450520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26450520 is an abundant number, since it is smaller than the sum of its proper divisors (52901400).

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

26450520 is a wasteful number, since it uses less digits than its factorization.

26450520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220435 (or 220431 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 26450520 is about 5143.0069025814. The cubic root of 26450520 is about 297.9509250599.

Adding to 26450520 its reverse (2505462), we get a palindrome (28955982).

The spelling of 26450520 in words is "twenty-six million, four hundred fifty thousand, five hundred twenty".