10265120540 has 48 divisors (see below), whose sum is σ = 23310467712. Its totient is φ = 3782286336.

The previous prime is 10265120539. The next prime is 10265120563. The reversal of 10265120540 is 4502156201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305207 + ... + 337166.

It is an arithmetic number, because the mean of its divisors is an integer number (485634744).

Almost surely, 2^10265120540 is an apocalyptic number.

10265120540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10265120540 is an abundant number, since it is smaller than the sum of its proper divisors (13045347172).

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

10265120540 is a wasteful number, since it uses less digits than its factorization.

10265120540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642446 (or 642444 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10265120540 its reverse (4502156201), we get a palindrome (14767276741).

The spelling of 10265120540 in words is "ten billion, two hundred sixty-five million, one hundred twenty thousand, five hundred forty".