29432343840 has 96 divisors (see below), whose sum is σ = 94231843776. Its totient is φ = 7719951360.

The previous prime is 29432343839. The next prime is 29432343869. The reversal of 29432343840 is 4834323492.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 29432343792 and 29432343801.

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, 473322 + ... + 531881.

It is an arithmetic number, because the mean of its divisors is an integer number (981581706).

Almost surely, 2^29432343840 is an apocalyptic number.

29432343840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29432343840 is an abundant number, since it is smaller than the sum of its proper divisors (64799499936).

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

29432343840 is a wasteful number, since it uses less digits than its factorization.

29432343840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005282 (or 1005274 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 29432343840 in words is "twenty-nine billion, four hundred thirty-two million, three hundred forty-three thousand, eight hundred forty".