29126375040 has 256 divisors, whose sum is σ = 109763424000. Its totient is φ = 6427803648.

The previous prime is 29126375039. The next prime is 29126375053. The reversal of 29126375040 is 4057362192.

It is a self number, because there is not a number n which added to its sum of digits gives 29126375040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352396 + ... + 427124.

It is an arithmetic number, because the mean of its divisors is an integer number (428763375).

Almost surely, 2^29126375040 is an apocalyptic number.

29126375040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29126375040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54881712000).

29126375040 is an abundant number, since it is smaller than the sum of its proper divisors (80637048960).

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

29126375040 is a wasteful number, since it uses less digits than its factorization.

29126375040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74787 (or 74775 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 29126375040 in words is "twenty-nine billion, one hundred twenty-six million, three hundred seventy-five thousand, forty".