29907902052 has 288 divisors, whose sum is σ = 100536508800. Its totient is φ = 7618738176.

The previous prime is 29907902029. The next prime is 29907902053. The reversal of 29907902052 is 25020970992.

It is a happy number.

It is a super-3 number, since 3×29907902052³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29907901989 and 29907902007.

It is not an unprimeable number, because it can be changed into a prime (29907902053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1700568 + ... + 1718064.

It is an arithmetic number, because the mean of its divisors is an integer number (349085100).

Almost surely, 2^29907902052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29907902052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50268254400).

29907902052 is an abundant number, since it is smaller than the sum of its proper divisors (70628606748).

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

29907902052 is a wasteful number, since it uses less digits than its factorization.

29907902052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560 (or 17545 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 29907902052 in words is "twenty-nine billion, nine hundred seven million, nine hundred two thousand, fifty-two".