10451864940 has 96 divisors (see below), whose sum is σ = 32208454656. Its totient is φ = 2511344640.

The previous prime is 10451864903. The next prime is 10451864963. The reversal of 10451864940 is 4946815401.

It is a junction number, because it is equal to n+sod(n) for n = 10451864892 and 10451864901.

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, 4509 + ... + 144651.

It is an arithmetic number, because the mean of its divisors is an integer number (335504736).

Almost surely, 2^10451864940 is an apocalyptic number.

10451864940 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 10451864940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16104227328).

10451864940 is an abundant number, since it is smaller than the sum of its proper divisors (21756589716).

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

10451864940 is a wasteful number, since it uses less digits than its factorization.

10451864940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140279 (or 140277 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 10451864940 in words is "ten billion, four hundred fifty-one million, eight hundred sixty-four thousand, nine hundred forty".