29119690440 has 48 divisors (see below), whose sum is σ = 94638995100. Its totient is φ = 7765250688.

The previous prime is 29119690433. The next prime is 29119690441. The reversal of 29119690440 is 4409691192.

29119690440 is a `hidden beast` number, since 2 + 9 + 119 + 6 + 90 + 440 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28866689604 + 253000836 = 169902^2 + 15906^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (29119690441) 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 11 ways as a sum of consecutive naturals, for example, 40443655 + ... + 40444374.

Almost surely, 2^29119690440 is an apocalyptic number.

29119690440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29119690440 is an abundant number, since it is smaller than the sum of its proper divisors (65519304660).

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

29119690440 is a wasteful number, since it uses less digits than its factorization.

29119690440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80888046 (or 80888039 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 29119690440 in words is "twenty-nine billion, one hundred nineteen million, six hundred ninety thousand, four hundred forty".