10821892940 has 24 divisors (see below), whose sum is σ = 22732986192. Its totient is φ = 4327421760.

The previous prime is 10821892937. The next prime is 10821892943. The reversal of 10821892940 is 4929812801.

It is an interprime number because it is at equal distance from previous prime (10821892937) and next prime (10821892943).

It is a super-2 number, since 2×10821892940² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10821892891 and 10821892900.

It is not an unprimeable number, because it can be changed into a prime (10821892943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15671 + ... + 147950.

It is an arithmetic number, because the mean of its divisors is an integer number (947207758).

Almost surely, 2^10821892940 is an apocalyptic number.

10821892940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10821892940 is an abundant number, since it is smaller than the sum of its proper divisors (11911093252).

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

10821892940 is a wasteful number, since it uses less digits than its factorization.

10821892940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166937 (or 166935 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 10821892940 in words is "ten billion, eight hundred twenty-one million, eight hundred ninety-two thousand, nine hundred forty".