40320188253 has 12 divisors (see below), whose sum is σ = 58250637120. Its totient is φ = 26875341576.

The previous prime is 40320188201. The next prime is 40320188261. The reversal of 40320188253 is 35288102304.

40320188253 is a `hidden beast` number, since 4 + 0 + 320 + 1 + 88 + 253 = 666.

It is not a de Polignac number, because 40320188253 - 2¹⁸ = 40319926109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320188263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344901 + ... + 446762.

It is an arithmetic number, because the mean of its divisors is an integer number (4854219760).

Almost surely, 2^40320188253 is an apocalyptic number.

It is an amenable number.

40320188253 is a deficient number, since it is larger than the sum of its proper divisors (17930448867).

40320188253 is a wasteful number, since it uses less digits than its factorization.

40320188253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797328 (or 797325 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 40320188253 in words is "forty billion, three hundred twenty million, one hundred eighty-eight thousand, two hundred fifty-three".