40086653 has 4 divisors (see below), whose sum is σ = 40342140. Its totient is φ = 39831168.

The previous prime is 40086623. The next prime is 40086659. The reversal of 40086653 is 35668004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25623844 + 14462809 = 5062^2 + 3803^2 .

It is a cyclic number.

It is not a de Polignac number, because 40086653 - 2¹⁴ = 40070269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40086659) 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, 127508 + ... + 127821.

It is an arithmetic number, because the mean of its divisors is an integer number (10085535).

Almost surely, 2^40086653 is an apocalyptic number.

It is an amenable number.

40086653 is a deficient number, since it is larger than the sum of its proper divisors (255487).

40086653 is a wasteful number, since it uses less digits than its factorization.

40086653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255486.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 40086653 is about 6331.4021353883. The cubic root of 40086653 is about 342.2419687957.

The spelling of 40086653 in words is "forty million, eighty-six thousand, six hundred fifty-three".