29390617152 has 112 divisors (see below), whose sum is σ = 93049425280.
Its totient is φ = 9043259904.
The previous prime is 29390617129. The next prime is 29390617159. The reversal of 29390617152 is 25171609392.
It is a happy number.
29390617152 is a `hidden beast` number, since 29 + 3 + 9 + 0 + 617 + 1 + 5 + 2 = 666.
It is a super-2 number, since 2×293906171522 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 29390617098 and 29390617107.
It is not an unprimeable number, because it can be changed into a prime (29390617159) 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 15 ways as a sum of consecutive naturals, for example, 631708 + ... + 676635.
It is an arithmetic number, because the mean of its divisors is an integer number (830798440).
Almost surely, 229390617152 is an apocalyptic number.
It is an amenable number.
29390617152 is an abundant number, since it is smaller than the sum of its proper divisors (63658808128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29390617152 is a wasteful number, since it uses less digits than its factorization.
29390617152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1308377 (or 1308361 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The spelling of 29390617152 in words is "twenty-nine billion, three hundred ninety million, six hundred seventeen thousand, one hundred fifty-two".