10155280 has 40 divisors (see below), whose sum is σ = 24009624. Its totient is φ = 3993600.

The previous prime is 10155241. The next prime is 10155281. The reversal of 10155280 is 8255101.

It can be written as a sum of positive squares in 4 ways, for example, as 17424 + 10137856 = 132^2 + 3184^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×10155280³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10155281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840 + ... + 5920.

Almost surely, 2^10155280 is an apocalyptic number.

10155280 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 10155280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12004812).

10155280 is an abundant number, since it is smaller than the sum of its proper divisors (13854344).

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

10155280 is a wasteful number, since it uses less digits than its factorization.

10155280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 10155280 is about 3186.7350062407. The cubic root of 10155280 is about 216.5528817409.

The spelling of 10155280 in words is "ten million, one hundred fifty-five thousand, two hundred eighty".