29804518140 has 48 divisors (see below), whose sum is σ = 84458118528. Its totient is φ = 7852112704.

The previous prime is 29804518111. The next prime is 29804518153. The reversal of 29804518140 is 4181540892.

It is a junction number, because it is equal to n+sod(n) for n = 29804518092 and 29804518101.

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, 2987442 + ... + 2997401.

It is an arithmetic number, because the mean of its divisors is an integer number (1759544136).

Almost surely, 2^29804518140 is an apocalyptic number.

29804518140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29804518140 is an abundant number, since it is smaller than the sum of its proper divisors (54653600388).

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

29804518140 is a wasteful number, since it uses less digits than its factorization.

29804518140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984938 (or 5984936 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 29804518140 in words is "twenty-nine billion, eight hundred four million, five hundred eighteen thousand, one hundred forty".