36640026 has 24 divisors (see below), whose sum is σ = 82328064. Its totient is φ = 12213180.

The previous prime is 36640007. The next prime is 36640031. The reversal of 36640026 is 62004663.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37210 + ... + 38181.

It is an arithmetic number, because the mean of its divisors is an integer number (3430336).

Almost surely, 2^36640026 is an apocalyptic number.

36640026 is an abundant number, since it is smaller than the sum of its proper divisors (45688038).

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

36640026 is an equidigital number, since it uses as much as digits as its factorization.

36640026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75408 (or 75396 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 36640026 is about 6053.1005278287. The cubic root of 36640026 is about 332.1380190168.

Adding to 36640026 its reverse (62004663), we get a palindrome (98644689).

The spelling of 36640026 in words is "thirty-six million, six hundred forty thousand, twenty-six".