29485085880 has 64 divisors (see below), whose sum is σ = 89091676800. Its totient is φ = 7806119040.

The previous prime is 29485085869. The next prime is 29485085897. The reversal of 29485085880 is 8858058492.

It is a self number, because there is not a number n which added to its sum of digits gives 29485085880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867166 + ... + 900525.

It is an arithmetic number, because the mean of its divisors is an integer number (1392057450).

Almost surely, 2^29485085880 is an apocalyptic number.

29485085880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29485085880 is an abundant number, since it is smaller than the sum of its proper divisors (59606590920).

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

29485085880 is a wasteful number, since it uses less digits than its factorization.

29485085880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767844 (or 1767840 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 57.

The spelling of 29485085880 in words is "twenty-nine billion, four hundred eighty-five million, eighty-five thousand, eight hundred eighty".