10102040140 has 12 divisors (see below), whose sum is σ = 21214284336. Its totient is φ = 4040816048.

The previous prime is 10102040131. The next prime is 10102040189. The reversal of 10102040140 is 4104020101.

It is a self number, because there is not a number n which added to its sum of digits gives 10102040140.

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, 252550984 + ... + 252551023.

It is an arithmetic number, because the mean of its divisors is an integer number (1767857028).

Almost surely, 2^10102040140 is an apocalyptic number.

10102040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102040140 is an abundant number, since it is smaller than the sum of its proper divisors (11112244196).

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

10102040140 is a wasteful number, since it uses less digits than its factorization.

10102040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505102016 (or 505102014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10102040140 its reverse (4104020101), we get a palindrome (14206060241).

The spelling of 10102040140 in words is "ten billion, one hundred two million, forty thousand, one hundred forty".