10142620265644 has 24 divisors (see below), whose sum is σ = 17771989257680. Its totient is φ = 5064910209216.

The previous prime is 10142620265597. The next prime is 10142620265651. The reversal of 10142620265644 is 44656202624101.

It is a self number, because there is not a number n which added to its sum of digits gives 10142620265644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36272014 + ... + 36550570.

Almost surely, 2^{10142620265644} is an apocalyptic number.

It is an amenable number.

10142620265644 is a deficient number, since it is larger than the sum of its proper divisors (7629368992036).

10142620265644 is a wasteful number, since it uses less digits than its factorization.

10142620265644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290017 (or 290015 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

Adding to 10142620265644 its reverse (44656202624101), we get a palindrome (54798822889745).

The spelling of 10142620265644 in words is "ten trillion, one hundred forty-two billion, six hundred twenty million, two hundred sixty-five thousand, six hundred forty-four".