29445352840 has 32 divisors (see below), whose sum is σ = 66266671680. Its totient is φ = 11775540672.

The previous prime is 29445352837. The next prime is 29445352889. The reversal of 29445352840 is 4825354492.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107587 + ... + 265453.

It is an arithmetic number, because the mean of its divisors is an integer number (2070833490).

Almost surely, 2^29445352840 is an apocalyptic number.

29445352840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29445352840 is an abundant number, since it is smaller than the sum of its proper divisors (36821318840).

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

29445352840 is a wasteful number, since it uses less digits than its factorization.

29445352840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162541 (or 162537 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 29445352840 in words is "twenty-nine billion, four hundred forty-five million, three hundred fifty-two thousand, eight hundred forty".