29002142784 has 28 divisors (see below), whose sum is σ = 76734836624. Its totient is φ = 9667380864.

The previous prime is 29002142779. The next prime is 29002142831. The reversal of 29002142784 is 48724120092.

It is a happy number.

It is a super-2 number, since 2×29002142784² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75526222 + ... + 75526605.

Almost surely, 2^29002142784 is an apocalyptic number.

29002142784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29002142784 is an abundant number, since it is smaller than the sum of its proper divisors (47732693840).

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

29002142784 is a wasteful number, since it uses less digits than its factorization.

29002142784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151052842 (or 151052832 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 29002142784 in words is "twenty-nine billion, two million, one hundred forty-two thousand, seven hundred eighty-four".