10646423140 has 48 divisors (see below), whose sum is σ = 23558371200. Its totient is φ = 4030290432.

The previous prime is 10646423119. The next prime is 10646423143. The reversal of 10646423140 is 4132464601.

It is a super-2 number, since 2×10646423140² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10646423143) 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, 369537 + ... + 397303.

It is an arithmetic number, because the mean of its divisors is an integer number (490799400).

Almost surely, 2^10646423140 is an apocalyptic number.

10646423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646423140 is an abundant number, since it is smaller than the sum of its proper divisors (12911948060).

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

10646423140 is a wasteful number, since it uses less digits than its factorization.

10646423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804 (or 28802 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 10646423140 its reverse (4132464601), we get a palindrome (14778887741).

The spelling of 10646423140 in words is "ten billion, six hundred forty-six million, four hundred twenty-three thousand, one hundred forty".