29034092640 has 384 divisors, whose sum is σ = 107122176000. Its totient is φ = 6473465856.

The previous prime is 29034092639. The next prime is 29034092653. The reversal of 29034092640 is 4629043092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23623546 + ... + 23624774.

It is an arithmetic number, because the mean of its divisors is an integer number (278964000).

Almost surely, 2^29034092640 is an apocalyptic number.

29034092640 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 29034092640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53561088000).

29034092640 is an abundant number, since it is smaller than the sum of its proper divisors (78088083360).

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

29034092640 is a wasteful number, since it uses less digits than its factorization.

29034092640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 29034092640 in words is "twenty-nine billion, thirty-four million, ninety-two thousand, six hundred forty".