29255340 has 24 divisors (see below), whose sum is σ = 81915120. Its totient is φ = 7801408.

The previous prime is 29255329. The next prime is 29255353. The reversal of 29255340 is 4355292.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 29255298 and 29255307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243735 + ... + 243854.

It is an arithmetic number, because the mean of its divisors is an integer number (3413130).

Almost surely, 2^29255340 is an apocalyptic number.

29255340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29255340 is an abundant number, since it is smaller than the sum of its proper divisors (52659780).

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

29255340 is a wasteful number, since it uses less digits than its factorization.

29255340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487601 (or 487599 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 29255340 is about 5408.8205738405. The cubic root of 29255340 is about 308.1307563106.

The spelling of 29255340 in words is "twenty-nine million, two hundred fifty-five thousand, three hundred forty".