40342653 has 24 divisors (see below), whose sum is σ = 62972000. Its totient is φ = 24740640.

The previous prime is 40342639. The next prime is 40342657. The reversal of 40342653 is 35624304.

40342653 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 2 + 653 = 666.

40342653 is a nontrivial binomial coefficient, being equal to C(8983, 2).

It is not a de Polignac number, because 40342653 - 2²⁰ = 39294077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58038 + ... + 58728.

Almost surely, 2^40342653 is an apocalyptic number.

40342653 is the 8982-nd triangular number.

It is an amenable number.

40342653 is a deficient number, since it is larger than the sum of its proper divisors (22629347).

40342653 is a wasteful number, since it uses less digits than its factorization.

40342653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40342653 is about 6351.5866521681. The cubic root of 40342653 is about 342.9689613701.

Adding to 40342653 its reverse (35624304), we get a palindrome (75966957).

The spelling of 40342653 in words is "forty million, three hundred forty-two thousand, six hundred fifty-three".