40531215252130 has 16 divisors (see below), whose sum is σ = 72958890721464. Its totient is φ = 16211885374720.

The previous prime is 40531215252127. The next prime is 40531215252133. The reversal of 40531215252130 is 3125251213504.

It is an interprime number because it is at equal distance from previous prime (40531215252127) and next prime (40531215252133).

It can be written as a sum of positive squares in 4 ways, for example, as 17497330046361 + 23033885205769 = 4182981^2 + 4799363^2 .

It is not an unprimeable number, because it can be changed into a prime (40531215252133) 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, 74807341 + ... + 75347200.

Almost surely, 2^{40531215252130} is an apocalyptic number.

40531215252130 is a deficient number, since it is larger than the sum of its proper divisors (32427675469334).

40531215252130 is a wasteful number, since it uses less digits than its factorization.

40531215252130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150181541.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 40531215252130 its reverse (3125251213504), we get a palindrome (43656466465634).

The spelling of 40531215252130 in words is "forty trillion, five hundred thirty-one billion, two hundred fifteen million, two hundred fifty-two thousand, one hundred thirty".