40435132553 has 8 divisors (see below), whose sum is σ = 42991324200. Its totient is φ = 37898680320.

The previous prime is 40435132531. The next prime is 40435132613. The reversal of 40435132553 is 35523153404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28155833209 + 12279299344 = 167797^2 + 110812^2 .

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 40435132553 - 2¹² = 40435128457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40435132523) 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, 4930628 + ... + 4938821.

It is an arithmetic number, because the mean of its divisors is an integer number (5373915525).

Almost surely, 2^40435132553 is an apocalyptic number.

It is an amenable number.

40435132553 is a deficient number, since it is larger than the sum of its proper divisors (2556191647).

40435132553 is a wasteful number, since it uses less digits than its factorization.

40435132553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869707.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 40435132553 its reverse (35523153404), we get a palindrome (75958285957).

The spelling of 40435132553 in words is "forty billion, four hundred thirty-five million, one hundred thirty-two thousand, five hundred fifty-three".