10603232640 has 1024 divisors, whose sum is σ = 50503219200. Its totient is φ = 2030469120.

The previous prime is 10603232573. The next prime is 10603232659. The reversal of 10603232640 is 4623230601.

10603232640 is a `hidden beast` number, since 10 + 6 + 0 + 3 + 2 + 3 + 2 + 640 = 666.

It is a super-2 number, since 2×10603232640² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17296974 + ... + 17297586.

It is an arithmetic number, because the mean of its divisors is an integer number (49319550).

Almost surely, 2^10603232640 is an apocalyptic number.

10603232640 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 10603232640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25251609600).

10603232640 is an abundant number, since it is smaller than the sum of its proper divisors (39899986560).

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

10603232640 is a wasteful number, since it uses less digits than its factorization.

10603232640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 10603232640 in words is "ten billion, six hundred three million, two hundred thirty-two thousand, six hundred forty".