10240621602465 has 64 divisors (see below), whose sum is σ = 16998615558144. Its totient is φ = 5260673392128.

The previous prime is 10240621602461. The next prime is 10240621602481. The reversal of 10240621602465 is 56420612604201.

It is not a de Polignac number, because 10240621602465 - 2² = 10240621602461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10240621602461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 342905124 + ... + 342934986.

It is an arithmetic number, because the mean of its divisors is an integer number (265603368096).

Almost surely, 2^{10240621602465} is an apocalyptic number.

10240621602465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10240621602465 is a deficient number, since it is larger than the sum of its proper divisors (6757993955679).

10240621602465 is a wasteful number, since it uses less digits than its factorization.

10240621602465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37270.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 10240621602465 in words is "ten trillion, two hundred forty billion, six hundred twenty-one million, six hundred two thousand, four hundred sixty-five".