10640362620 has 96 divisors (see below), whose sum is σ = 30464195328. Its totient is φ = 2774218752.

The previous prime is 10640362619. The next prime is 10640362631. The reversal of 10640362620 is 2626304601.

It is a super-2 number, since 2×10640362620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 472047 + ... + 494073.

It is an arithmetic number, because the mean of its divisors is an integer number (317335368).

Almost surely, 2^10640362620 is an apocalyptic number.

10640362620 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 10640362620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15232097664).

10640362620 is an abundant number, since it is smaller than the sum of its proper divisors (19823832708).

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

10640362620 is a wasteful number, since it uses less digits than its factorization.

10640362620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22219 (or 22217 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 10640362620 in words is "ten billion, six hundred forty million, three hundred sixty-two thousand, six hundred twenty".