40340553 has 24 divisors (see below), whose sum is σ = 62244000. Its totient is φ = 23158080.

The previous prime is 40340549. The next prime is 40340557. The reversal of 40340553 is 35504304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40340549) and next prime (40340557).

It is not a de Polignac number, because 40340553 - 2² = 40340549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40340557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3973 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (2593500).

Almost surely, 2^40340553 is an apocalyptic number.

It is an amenable number.

40340553 is a deficient number, since it is larger than the sum of its proper divisors (21903447).

40340553 is a wasteful number, since it uses less digits than its factorization.

40340553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893 (or 5882 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40340553 is about 6351.4213369922. The cubic root of 40340553 is about 342.9630102880.

Adding to 40340553 its reverse (35504304), we get a palindrome (75844857).

The spelling of 40340553 in words is "forty million, three hundred forty thousand, five hundred fifty-three".