10621069540 has 96 divisors (see below), whose sum is σ = 23980320000. Its totient is φ = 3939674112.

The previous prime is 10621069477. The next prime is 10621069603. The reversal of 10621069540 is 4596012601.

It is an interprime number because it is at equal distance from previous prime (10621069477) and next prime (10621069603).

It is a super-2 number, since 2×10621069540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10621069496 and 10621069505.

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, 3481936 + ... + 3484984.

It is an arithmetic number, because the mean of its divisors is an integer number (249795000).

Almost surely, 2^10621069540 is an apocalyptic number.

10621069540 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 10621069540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11990160000).

10621069540 is an abundant number, since it is smaller than the sum of its proper divisors (13359250460).

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

10621069540 is a wasteful number, since it uses less digits than its factorization.

10621069540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 10621069540 in words is "ten billion, six hundred twenty-one million, sixty-nine thousand, five hundred forty".