10542636 has 60 divisors (see below), whose sum is σ = 29692432. Its totient is φ = 3242592.

The previous prime is 10542613. The next prime is 10542641. The reversal of 10542636 is 63624501.

It is a super-2 number, since 2×10542636² = 222294347656992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2961 + ... + 5463.

Almost surely, 2^10542636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10542636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14846216).

10542636 is an abundant number, since it is smaller than the sum of its proper divisors (19149796).

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

10542636 is a wasteful number, since it uses less digits than its factorization.

10542636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 10542636 is about 3246.9425618572. The cubic root of 10542636 is about 219.2719458986.

The spelling of 10542636 in words is "ten million, five hundred forty-two thousand, six hundred thirty-six".