10631540 has 24 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 4192160.

The previous prime is 10631531. The next prime is 10631549. The reversal of 10631540 is 4513601.

It is an interprime number because it is at equal distance from previous prime (10631531) and next prime (10631549).

It is a super-2 number, since 2×10631540² = 226059285543200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10631549) 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, 2324 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^10631540 is an apocalyptic number.

10631540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10631540 is an abundant number, since it is smaller than the sum of its proper divisors (12012172).

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

10631540 is a wasteful number, since it uses less digits than its factorization.

10631540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10631540 is about 3260.6042384810. The cubic root of 10631540 is about 219.8865806560.

The spelling of 10631540 in words is "ten million, six hundred thirty-one thousand, five hundred forty".