10636840840 has 128 divisors (see below), whose sum is σ = 25865308800. Its totient is φ = 3922145280.

The previous prime is 10636840831. The next prime is 10636840849. The reversal of 10636840840 is 4804863601.

It is an interprime number because it is at equal distance from previous prime (10636840831) and next prime (10636840849).

It is a super-2 number, since 2×10636840840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 10636840793 and 10636840802.

It is not an unprimeable number, because it can be changed into a prime (10636840849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14393191 + ... + 14393929.

It is an arithmetic number, because the mean of its divisors is an integer number (202072725).

Almost surely, 2^10636840840 is an apocalyptic number.

10636840840 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 10636840840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12932654400).

10636840840 is an abundant number, since it is smaller than the sum of its proper divisors (15228467960).

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

10636840840 is a wasteful number, since it uses less digits than its factorization.

10636840840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 10636840840 in words is "ten billion, six hundred thirty-six million, eight hundred forty thousand, eight hundred forty".