40252351013 has 16 divisors (see below), whose sum is σ = 46956585600. Its totient is φ = 33788978496.

The previous prime is 40252351003. The next prime is 40252351021. The reversal of 40252351013 is 31015325204.

It is a happy number.

It is not a de Polignac number, because 40252351013 - 2¹⁰ = 40252349989 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 (40252351003) 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 15 ways as a sum of consecutive naturals, for example, 103763 + ... + 302111.

It is an arithmetic number, because the mean of its divisors is an integer number (2934786600).

Almost surely, 2^40252351013 is an apocalyptic number.

It is an amenable number.

40252351013 is a deficient number, since it is larger than the sum of its proper divisors (6704234587).

40252351013 is a wasteful number, since it uses less digits than its factorization.

40252351013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198956.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40252351013 its reverse (31015325204), we get a palindrome (71267676217).

The spelling of 40252351013 in words is "forty billion, two hundred fifty-two million, three hundred fifty-one thousand, thirteen".