10451640 has 64 divisors (see below), whose sum is σ = 31570560. Its totient is φ = 2768000.

The previous prime is 10451627. The next prime is 10451641. The reversal of 10451640 is 4615401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10451641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29947 + ... + 30293.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^10451640 is an apocalyptic number.

10451640 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 10451640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15785280).

10451640 is an abundant number, since it is smaller than the sum of its proper divisors (21118920).

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

10451640 is a wasteful number, since it uses less digits than its factorization.

10451640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10451640 is about 3232.8996272696. The cubic root of 10451640 is about 218.6392593219.

The spelling of 10451640 in words is "ten million, four hundred fifty-one thousand, six hundred forty".