29440597980 has 48 divisors (see below), whose sum is σ = 82441175040. Its totient is φ = 7850111808.

The previous prime is 29440597937. The next prime is 29440597981. The reversal of 29440597980 is 8979504492.

It is a super-3 number, since 3×29440597980³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29440597980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29440597981) 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, 1160997 + ... + 1186083.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524480).

Almost surely, 2^29440597980 is an apocalyptic number.

29440597980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29440597980 is an abundant number, since it is smaller than the sum of its proper divisors (53000577060).

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

29440597980 is a wasteful number, since it uses less digits than its factorization.

29440597980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44658 (or 44656 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 29440597980 in words is "twenty-nine billion, four hundred forty million, five hundred ninety-seven thousand, nine hundred eighty".