29340436140 has 96 divisors (see below), whose sum is σ = 91311192000. Its totient is φ = 7821559296.

The previous prime is 29340436123. The next prime is 29340436183. The reversal of 29340436140 is 4163404392.

It is a happy number.

29340436140 is a `hidden beast` number, since 2 + 9 + 34 + 0 + 4 + 3 + 614 + 0 = 666.

It is a super-2 number, since 2×29340436140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29340436095 and 29340436104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2114746 + ... + 2128574.

It is an arithmetic number, because the mean of its divisors is an integer number (951158250).

Almost surely, 2^29340436140 is an apocalyptic number.

29340436140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29340436140 is an abundant number, since it is smaller than the sum of its proper divisors (61970755860).

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

29340436140 is a wasteful number, since it uses less digits than its factorization.

29340436140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776 (or 17768 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 29340436140 in words is "twenty-nine billion, three hundred forty million, four hundred thirty-six thousand, one hundred forty".