40413553 has 8 divisors (see below), whose sum is σ = 43531776. Its totient is φ = 37408800.

The previous prime is 40413547. The next prime is 40413557. The reversal of 40413553 is 35531404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40413553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40413557) 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, 27628 + ... + 29053.

It is an arithmetic number, because the mean of its divisors is an integer number (5441472).

Almost surely, 2^40413553 is an apocalyptic number.

It is an amenable number.

40413553 is a deficient number, since it is larger than the sum of its proper divisors (3118223).

40413553 is a wasteful number, since it uses less digits than its factorization.

40413553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56735.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40413553 is about 6357.1654847109. The cubic root of 40413553 is about 343.1697601647.

Adding to 40413553 its reverse (35531404), we get a palindrome (75944957).

The spelling of 40413553 in words is "forty million, four hundred thirteen thousand, five hundred fifty-three".