29902379792040 has 192 divisors, whose sum is σ = 112084937078400. Its totient is φ = 6772124745216.

The previous prime is 29902379792017. The next prime is 29902379792059. The reversal of 29902379792040 is 4029797320992.

29902379792040 is a `hidden beast` number, since 29 + 90 + 237 + 97 + 9 + 204 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 54156622 + ... + 54705981.

It is an arithmetic number, because the mean of its divisors is an integer number (583775713950).

Almost surely, 2^{29902379792040} is an apocalyptic number.

29902379792040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29902379792040 is an abundant number, since it is smaller than the sum of its proper divisors (82182557286360).

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

29902379792040 is a wasteful number, since it uses less digits than its factorization.

29902379792040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108862736 (or 108862729 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 29902379792040 in words is "twenty-nine trillion, nine hundred two billion, three hundred seventy-nine million, seven hundred ninety-two thousand, forty".