40045053 has 8 divisors (see below), whose sum is σ = 53866368. Its totient is φ = 26460224.

The previous prime is 40045037. The next prime is 40045067. The reversal of 40045053 is 35054004.

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 40045053 - 2⁴ = 40045037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045003) 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, 58725 + ... + 59402.

It is an arithmetic number, because the mean of its divisors is an integer number (6733296).

Almost surely, 2^40045053 is an apocalyptic number.

It is an amenable number.

40045053 is a deficient number, since it is larger than the sum of its proper divisors (13821315).

40045053 is a wasteful number, since it uses less digits than its factorization.

40045053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118243.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40045053 is about 6328.1160703641. The cubic root of 40045053 is about 342.1235404029.

Adding to 40045053 its reverse (35054004), we get a palindrome (75099057).

The spelling of 40045053 in words is "forty million, forty-five thousand, fifty-three".