29907138917260 has 48 divisors (see below), whose sum is σ = 68514986830752. Its totient is φ = 10875251750400.

The previous prime is 29907138917233. The next prime is 29907138917267. The reversal of 29907138917260 is 6271983170992.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29907138917192 and 29907138917201.

It is not an unprimeable number, because it can be changed into a prime (29907138917267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42421240 + ... + 43120480.

It is an arithmetic number, because the mean of its divisors is an integer number (1427395558974).

Almost surely, 2^{29907138917260} is an apocalyptic number.

29907138917260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29907138917260 is an abundant number, since it is smaller than the sum of its proper divisors (38607847913492).

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

29907138917260 is a wasteful number, since it uses less digits than its factorization.

29907138917260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893674 (or 893672 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 29907138917260 in words is "twenty-nine trillion, nine hundred seven billion, one hundred thirty-eight million, nine hundred seventeen thousand, two hundred sixty".