40520392152 has 16 divisors (see below), whose sum is σ = 101300980440. Its totient is φ = 13506797376.

The previous prime is 40520392151. The next prime is 40520392181. The reversal of 40520392152 is 25129302504.

It is a super-2 number, since 2×40520392152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520392151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844174813 + ... + 844174860.

Almost surely, 2^40520392152 is an apocalyptic number.

It is an amenable number.

40520392152 is an abundant number, since it is smaller than the sum of its proper divisors (60780588288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40520392152 is a wasteful number, since it uses less digits than its factorization.

40520392152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688349682 (or 1688349678 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 40520392152 its reverse (25129302504), we get a palindrome (65649694656).

The spelling of 40520392152 in words is "forty billion, five hundred twenty million, three hundred ninety-two thousand, one hundred fifty-two".