29940840594 has 64 divisors (see below), whose sum is σ = 79346350080. Its totient is φ = 8182587600.

The previous prime is 29940840593. The next prime is 29940840607. The reversal of 29940840594 is 49504804992.

29940840594 is a `hidden beast` number, since 2 + 9 + 9 + 4 + 0 + 8 + 40 + 594 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 29940840594.

It is not an unprimeable number, because it can be changed into a prime (29940840593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1713232 + ... + 1730619.

It is an arithmetic number, because the mean of its divisors is an integer number (1239786720).

Almost surely, 2^29940840594 is an apocalyptic number.

29940840594 is an abundant number, since it is smaller than the sum of its proper divisors (49405509486).

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

29940840594 is a wasteful number, since it uses less digits than its factorization.

29940840594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443892 (or 3443886 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 29940840594 in words is "twenty-nine billion, nine hundred forty million, eight hundred forty thousand, five hundred ninety-four".