29141395920 has 1680 divisors, whose sum is σ = 139803968640. Its totient is φ = 5482266624.

The previous prime is 29141395897. The next prime is 29141395951. The reversal of 29141395920 is 2959314192.

29141395920 is a `hidden beast` number, since 29 + 1 + 4 + 1 + 39 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1533757671 + ... + 1533757689.

It is an arithmetic number, because the mean of its divisors is an integer number (83216648).

Almost surely, 2^29141395920 is an apocalyptic number.

29141395920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29141395920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69901984320).

29141395920 is an abundant number, since it is smaller than the sum of its proper divisors (110662572720).

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

29141395920 is a wasteful number, since it uses less digits than its factorization.

29141395920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 29141395920 in words is "twenty-nine billion, one hundred forty-one million, three hundred ninety-five thousand, nine hundred twenty".