29802497956 has 243 divisors, whose sum is σ = 71593804107. Its totient is φ = 10813793760.

The previous prime is 29802497953. The next prime is 29802497969. The reversal of 29802497956 is 65979420892.

The square root of 29802497956 is 172634.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 29802497894 and 29802497903.

It is not an unprimeable number, because it can be changed into a prime (29802497953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 505127055 + ... + 505127113.

Almost surely, 2^29802497956 is an apocalyptic number.

29802497956 is the 172634-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29802497956

29802497956 is an abundant number, since it is smaller than the sum of its proper divisors (41791306151).

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

29802497956 is a wasteful number, since it uses less digits than its factorization.

29802497956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 29802497956 in words is "twenty-nine billion, eight hundred two million, four hundred ninety-seven thousand, nine hundred fifty-six".