29440138514 has 16 divisors (see below), whose sum is σ = 44639844768. Its totient is φ = 14560950432.

The previous prime is 29440138513. The next prime is 29440138523. The reversal of 29440138514 is 41583104492.

It is a super-2 number, since 2×29440138514² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29440138513) 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, 112292 + ... + 267375.

It is an arithmetic number, because the mean of its divisors is an integer number (2789990298).

Almost surely, 2^29440138514 is an apocalyptic number.

29440138514 is a deficient number, since it is larger than the sum of its proper divisors (15199706254).

29440138514 is a wasteful number, since it uses less digits than its factorization.

29440138514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380089.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 29440138514 in words is "twenty-nine billion, four hundred forty million, one hundred thirty-eight thousand, five hundred fourteen".