40015031653 has 4 divisors (see below), whose sum is σ = 40246332588. Its totient is φ = 39783730720.

The previous prime is 40015031629. The next prime is 40015031671. The reversal of 40015031653 is 35613051004.

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 22160192769 + 17854838884 = 148863^2 + 133622^2 .

It is a cyclic number.

It is not a de Polignac number, because 40015031653 - 2⁹ = 40015031141 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 (40015035653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115650208 + ... + 115650553.

It is an arithmetic number, because the mean of its divisors is an integer number (10061583147).

Almost surely, 2^40015031653 is an apocalyptic number.

It is an amenable number.

40015031653 is a deficient number, since it is larger than the sum of its proper divisors (231300935).

40015031653 is a wasteful number, since it uses less digits than its factorization.

40015031653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231300934.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 40015031653 its reverse (35613051004), we get a palindrome (75628082657).

The spelling of 40015031653 in words is "forty billion, fifteen million, thirty-one thousand, six hundred fifty-three".