10240646251605 has 48 divisors (see below), whose sum is σ = 20792881756224. Its totient is φ = 4255852984320.

The previous prime is 10240646251529. The next prime is 10240646251607. The reversal of 10240646251605 is 50615264604201.

It is not a de Polignac number, because 10240646251605 - 2⁹ = 10240646251093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240646251607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633303372 + ... + 633319541.

It is an arithmetic number, because the mean of its divisors is an integer number (433185036588).

Almost surely, 2^{10240646251605} is an apocalyptic number.

10240646251605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10240646251605 is an abundant number, since it is smaller than the sum of its proper divisors (10552235504619).

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

10240646251605 is a wasteful number, since it uses less digits than its factorization.

10240646251605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266622946 (or 1266622939 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 10240646251605 in words is "ten trillion, two hundred forty billion, six hundred forty-six million, two hundred fifty-one thousand, six hundred five".