10662540 has 96 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 2386176.

The previous prime is 10662527. The next prime is 10662557. The reversal of 10662540 is 4526601.

10662540 = T₂₉ + T₃₀ + ... + T₃₉₉.

It is a super-2 number, since 2×10662540² = 227379518503200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10662540.

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, 22021 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^10662540 is an apocalyptic number.

10662540 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 10662540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

10662540 is an abundant number, since it is smaller than the sum of its proper divisors (24173940).

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

10662540 is a wasteful number, since it uses less digits than its factorization.

10662540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10662540 is about 3265.3544983661. The cubic root of 10662540 is about 220.1000921957.

The spelling of 10662540 in words is "ten million, six hundred sixty-two thousand, five hundred forty".