40703468138 has 16 divisors (see below), whose sum is σ = 63865575360. Its totient is φ = 19419270816.

The previous prime is 40703468137. The next prime is 40703468243. The reversal of 40703468138 is 83186430704.

40703468138 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 2×40703468138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40703468137) 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, 1062920 + ... + 1100547.

It is an arithmetic number, because the mean of its divisors is an integer number (3991598460).

Almost surely, 2^40703468138 is an apocalyptic number.

40703468138 is a deficient number, since it is larger than the sum of its proper divisors (23162107222).

40703468138 is a wasteful number, since it uses less digits than its factorization.

40703468138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163901.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 40703468138 in words is "forty billion, seven hundred three million, four hundred sixty-eight thousand, one hundred thirty-eight".