40319553 has 8 divisors (see below), whose sum is σ = 54070848. Its totient is φ = 26723984.

The previous prime is 40319537. The next prime is 40319557. The reversal of 40319553 is 35591304.

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 40319553 - 2⁴ = 40319537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40319553.

It is not an unprimeable number, because it can be changed into a prime (40319557) 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, 38325 + ... + 39362.

It is an arithmetic number, because the mean of its divisors is an integer number (6758856).

Almost surely, 2^40319553 is an apocalyptic number.

It is an amenable number.

40319553 is a deficient number, since it is larger than the sum of its proper divisors (13751295).

40319553 is a wasteful number, since it uses less digits than its factorization.

40319553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77863.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 40319553 is about 6349.7679485159. The cubic root of 40319553 is about 342.9034881051.

The spelling of 40319553 in words is "forty million, three hundred nineteen thousand, five hundred fifty-three".