40134243412 has 48 divisors (see below), whose sum is σ = 73420300800. Its totient is φ = 19172039040.

The previous prime is 40134243379. The next prime is 40134243427. The reversal of 40134243412 is 21434243104.

40134243412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40134243412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12528603 + ... + 12531805.

It is an arithmetic number, because the mean of its divisors is an integer number (1529589600).

Almost surely, 2^40134243412 is an apocalyptic number.

It is an amenable number.

40134243412 is a deficient number, since it is larger than the sum of its proper divisors (33286057388).

40134243412 is a wasteful number, since it uses less digits than its factorization.

40134243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40134243412 its reverse (21434243104), we get a palindrome (61568486516).

The spelling of 40134243412 in words is "forty billion, one hundred thirty-four million, two hundred forty-three thousand, four hundred twelve".