40985453 has 8 divisors (see below), whose sum is σ = 43452288. Its totient is φ = 38524864.

The previous prime is 40985449. The next prime is 40985491. The reversal of 40985453 is 35458904.

It is a happy number.

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 40985453 - 2² = 40985449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40981453) 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, 25100 + ... + 26682.

It is an arithmetic number, because the mean of its divisors is an integer number (5431536).

Almost surely, 2^40985453 is an apocalyptic number.

It is an amenable number.

40985453 is a deficient number, since it is larger than the sum of its proper divisors (2466835).

40985453 is a wasteful number, since it uses less digits than its factorization.

40985453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 40985453 is about 6401.9882067995. The cubic root of 40985453 is about 344.7809377376.

The spelling of 40985453 in words is "forty million, nine hundred eighty-five thousand, four hundred fifty-three".