10405880 has 64 divisors (see below), whose sum is σ = 24624000. Its totient is φ = 3953664.

The previous prime is 10405873. The next prime is 10405891. The reversal of 10405880 is 8850401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116876 + ... + 116964.

It is an arithmetic number, because the mean of its divisors is an integer number (384750).

Almost surely, 2^10405880 is an apocalyptic number.

10405880 is a gapful number since it is divisible by the number (10) 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 10405880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12312000).

10405880 is an abundant number, since it is smaller than the sum of its proper divisors (14218120).

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

10405880 is a wasteful number, since it uses less digits than its factorization.

10405880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 10405880 is about 3225.8146257961. The cubic root of 10405880 is about 218.3197059783.

The spelling of 10405880 in words is "ten million, four hundred five thousand, eight hundred eighty".