10302345140 has 12 divisors (see below), whose sum is σ = 21634924836. Its totient is φ = 4120938048.

The previous prime is 10302345139. The next prime is 10302345169. The reversal of 10302345140 is 4154320301.

It can be written as a sum of positive squares in 2 ways, for example, as 6125566756 + 4176778384 = 78266^2 + 64628^2 .

It is a super-2 number, since 2×10302345140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257558609 + ... + 257558648.

It is an arithmetic number, because the mean of its divisors is an integer number (1802910403).

Almost surely, 2^10302345140 is an apocalyptic number.

10302345140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302345140 is an abundant number, since it is smaller than the sum of its proper divisors (11332579696).

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

10302345140 is a wasteful number, since it uses less digits than its factorization.

10302345140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515117266 (or 515117264 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 10302345140 its reverse (4154320301), we get a palindrome (14456665441).

The spelling of 10302345140 in words is "ten billion, three hundred two million, three hundred forty-five thousand, one hundred forty".