29975026250 has 40 divisors (see below), whose sum is σ = 60507159636. Its totient is φ = 11067696000.

The previous prime is 29975026243. The next prime is 29975026271. The reversal of 29975026250 is 5262057992.

It can be written as a sum of positive squares in 10 ways, for example, as 5689232329 + 24285793921 = 75427^2 + 155839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29975026195 and 29975026204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 906059 + ... + 938558.

Almost surely, 2^29975026250 is an apocalyptic number.

29975026250 is an abundant number, since it is smaller than the sum of its proper divisors (30532133386).

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

29975026250 is a wasteful number, since it uses less digits than its factorization.

29975026250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844652 (or 1844637 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 29975026250 in words is "twenty-nine billion, nine hundred seventy-five million, twenty-six thousand, two hundred fifty".