29554138040 has 32 divisors (see below), whose sum is σ = 75996355680. Its totient is φ = 10132847232.

The previous prime is 29554138039. The next prime is 29554138067. The reversal of 29554138040 is 4083145592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52774967 + ... + 52775526.

It is an arithmetic number, because the mean of its divisors is an integer number (2374886115).

Almost surely, 2^29554138040 is an apocalyptic number.

29554138040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29554138040 is an abundant number, since it is smaller than the sum of its proper divisors (46442217640).

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

29554138040 is a wasteful number, since it uses less digits than its factorization.

29554138040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105550511 (or 105550507 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 29554138040 in words is "twenty-nine billion, five hundred fifty-four million, one hundred thirty-eight thousand, forty".