10140243652 has 72 divisors (see below), whose sum is σ = 22742693568. Its totient is φ = 3911544000.

The previous prime is 10140243629. The next prime is 10140243661. The reversal of 10140243652 is 25634204101.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 10140243652.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194473 + ... + 241039.

It is an arithmetic number, because the mean of its divisors is an integer number (315870744).

Almost surely, 2^10140243652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10140243652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11371346784).

10140243652 is an abundant number, since it is smaller than the sum of its proper divisors (12602449916).

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

10140243652 is a wasteful number, since it uses less digits than its factorization.

10140243652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46697 (or 46688 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10140243652 its reverse (25634204101), we get a palindrome (35774447753).

The spelling of 10140243652 in words is "ten billion, one hundred forty million, two hundred forty-three thousand, six hundred fifty-two".