40112535430340 has 24 divisors (see below), whose sum is σ = 87898773291840. Its totient is φ = 15347404860128.

The previous prime is 40112535430291. The next prime is 40112535430343. The reversal of 40112535430340 is 4303453521104.

It is a self number, because there is not a number n which added to its sum of digits gives 40112535430340.

It is not an unprimeable number, because it can be changed into a prime (40112535430343) 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, 43600581530 + ... + 43600582449.

It is an arithmetic number, because the mean of its divisors is an integer number (3662448887160).

Almost surely, 2^{40112535430340} is an apocalyptic number.

It is an amenable number.

40112535430340 is an abundant number, since it is smaller than the sum of its proper divisors (47786237861500).

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

40112535430340 is a wasteful number, since it uses less digits than its factorization.

40112535430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87201164011 (or 87201164009 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 40112535430340 its reverse (4303453521104), we get a palindrome (44415988951444).

The spelling of 40112535430340 in words is "forty trillion, one hundred twelve billion, five hundred thirty-five million, four hundred thirty thousand, three hundred forty".