29719844744940 has 144 divisors (see below), whose sum is σ = 103046399426880. Its totient is φ = 6791946647040.

The previous prime is 29719844744927. The next prime is 29719844745029. The reversal of 29719844744940 is 4944744891792.

It is a happy number.

29719844744940 is a `hidden beast` number, since 2 + 9 + 7 + 1 + 98 + 4 + 47 + 4 + 494 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5372646 + ... + 9397074.

It is an arithmetic number, because the mean of its divisors is an integer number (715599996020).

Almost surely, 2^{29719844744940} is an apocalyptic number.

29719844744940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29719844744940 is an abundant number, since it is smaller than the sum of its proper divisors (73326554681940).

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

29719844744940 is a wasteful number, since it uses less digits than its factorization.

29719844744940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030312 (or 4030307 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 29719844744940 in words is "twenty-nine trillion, seven hundred nineteen billion, eight hundred forty-four million, seven hundred forty-four thousand, nine hundred forty".