29885490432 has 540 divisors, whose sum is σ = 105449060640. Its totient is φ = 8392108032.

The previous prime is 29885490419. The next prime is 29885490517. The reversal of 29885490432 is 23409458892.

29885490432 is a `hidden beast` number, since 2 + 98 + 8 + 549 + 0 + 4 + 3 + 2 = 666.

It is a super-2 number, since 2×29885490432² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68076069 + ... + 68076507.

Almost surely, 2^29885490432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29885490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52724530320).

29885490432 is an abundant number, since it is smaller than the sum of its proper divisors (75563570208).

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

29885490432 is an equidigital number, since it uses as much as digits as its factorization.

29885490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 29885490432 in words is "twenty-nine billion, eight hundred eighty-five million, four hundred ninety thousand, four hundred thirty-two".