29842774540 has 48 divisors (see below), whose sum is σ = 63034282080. Its totient is φ = 11867857920.

The previous prime is 29842774537. The next prime is 29842774547. The reversal of 29842774540 is 4547724892.

It is not an unprimeable number, because it can be changed into a prime (29842774547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094446 + ... + 3104074.

It is an arithmetic number, because the mean of its divisors is an integer number (1313214210).

Almost surely, 2^29842774540 is an apocalyptic number.

29842774540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29842774540 is an abundant number, since it is smaller than the sum of its proper divisors (33191507540).

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

29842774540 is a wasteful number, since it uses less digits than its factorization.

29842774540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 10520 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 29842774540 in words is "twenty-nine billion, eight hundred forty-two million, seven hundred seventy-four thousand, five hundred forty".