40085453 has 8 divisors (see below), whose sum is σ = 41640480. Its totient is φ = 38542000.

The previous prime is 40085447. The next prime is 40085483. The reversal of 40085453 is 35458004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40085453 - 2⁸ = 40085197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40085483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4526 + ... + 10032.

It is an arithmetic number, because the mean of its divisors is an integer number (5205060).

Almost surely, 2^40085453 is an apocalyptic number.

It is an amenable number.

40085453 is a deficient number, since it is larger than the sum of its proper divisors (1555027).

40085453 is a wasteful number, since it uses less digits than its factorization.

40085453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40085453 is about 6331.3073689405. The cubic root of 40085453 is about 342.2385537400.

The spelling of 40085453 in words is "forty million, eighty-five thousand, four hundred fifty-three".