45640026 has 24 divisors (see below), whose sum is σ = 102297780. Its totient is φ = 14688576.

The previous prime is 45640013. The next prime is 45640031. The reversal of 45640026 is 62004654.

It is a happy number.

45640026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44235801 + 1404225 = 6651^2 + 1185^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43195 + ... + 44238.

Almost surely, 2^45640026 is an apocalyptic number.

45640026 is an abundant number, since it is smaller than the sum of its proper divisors (56657754).

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

45640026 is a wasteful number, since it uses less digits than its factorization.

45640026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87470 (or 87467 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45640026 is about 6755.7402259116. The cubic root of 45640026 is about 357.3676977962.

The spelling of 45640026 in words is "forty-five million, six hundred forty thousand, twenty-six".