40130031340 has 48 divisors (see below), whose sum is σ = 99418927104. Its totient is φ = 13315032000.

The previous prime is 40130031323. The next prime is 40130031341. The reversal of 40130031340 is 4313003104.

It is a super-2 number, since 2×40130031340² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40130031341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4618936 + ... + 4627615.

It is an arithmetic number, because the mean of its divisors is an integer number (2071227648).

Almost surely, 2^40130031340 is an apocalyptic number.

It is an amenable number.

40130031340 is an abundant number, since it is smaller than the sum of its proper divisors (59288895764).

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

40130031340 is a wasteful number, since it uses less digits than its factorization.

40130031340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246598 (or 9246596 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 40130031340 its reverse (4313003104), we get a palindrome (44443034444).

The spelling of 40130031340 in words is "forty billion, one hundred thirty million, thirty-one thousand, three hundred forty".