40015234253 has 4 divisors (see below), whose sum is σ = 42369071580. Its totient is φ = 37661396928.

The previous prime is 40015234213. The next prime is 40015234271. The reversal of 40015234253 is 35243251004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19756551364 + 20258682889 = 140558^2 + 142333^2 .

It is a cyclic number.

It is not a de Polignac number, because 40015234253 - 2³² = 35720266957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015234213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176918638 + ... + 1176918671.

It is an arithmetic number, because the mean of its divisors is an integer number (10592267895).

Almost surely, 2^40015234253 is an apocalyptic number.

It is an amenable number.

40015234253 is a deficient number, since it is larger than the sum of its proper divisors (2353837327).

40015234253 is a wasteful number, since it uses less digits than its factorization.

40015234253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353837326.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40015234253 its reverse (35243251004), we get a palindrome (75258485257).

The spelling of 40015234253 in words is "forty billion, fifteen million, two hundred thirty-four thousand, two hundred fifty-three".