29026140 has 192 divisors, whose sum is σ = 101606400. Its totient is φ = 6082560.

The previous prime is 29026117. The next prime is 29026141. The reversal of 29026140 is 4162092.

It is a self number, because there is not a number n which added to its sum of digits gives 29026140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29026141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145761 + ... + 145959.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^29026140 is an apocalyptic number.

29026140 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 29026140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

29026140 is an abundant number, since it is smaller than the sum of its proper divisors (72580260).

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

29026140 is a wasteful number, since it uses less digits than its factorization.

29026140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 29026140 is about 5387.5912985304. The cubic root of 29026140 is about 307.3239656075.

The spelling of 29026140 in words is "twenty-nine million, twenty-six thousand, one hundred forty".