29617212450540 has 96 divisors (see below), whose sum is σ = 97426131054336. Its totient is φ = 6627627959040.

The previous prime is 29617212450451. The next prime is 29617212450559. The reversal of 29617212450540 is 4505421271692.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29617212450540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1725936202 + ... + 1725953361.

It is an arithmetic number, because the mean of its divisors is an integer number (1014855531816).

Almost surely, 2^{29617212450540} is an apocalyptic number.

29617212450540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29617212450540 is an abundant number, since it is smaller than the sum of its proper divisors (67808918603796).

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

29617212450540 is a wasteful number, since it uses less digits than its factorization.

29617212450540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451889599 (or 3451889597 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 29617212450540 in words is "twenty-nine trillion, six hundred seventeen billion, two hundred twelve million, four hundred fifty thousand, five hundred forty".