26420250 has 32 divisors (see below), whose sum is σ = 65946816. Its totient is φ = 7045200.

The previous prime is 26420249. The next prime is 26420269. The reversal of 26420250 is 5202462.

It is a super-2 number, since 2×26420250² = 1396059220125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16864 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (2060838).

Almost surely, 2^26420250 is an apocalyptic number.

26420250 is an abundant number, since it is smaller than the sum of its proper divisors (39526566).

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

26420250 is a wasteful number, since it uses less digits than its factorization.

26420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247 (or 35237 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 26420250 is about 5140.0632291831. The cubic root of 26420250 is about 297.8372232356.

The spelling of 26420250 in words is "twenty-six million, four hundred twenty thousand, two hundred fifty".