4640382355157 has 4 divisors (see below), whose sum is σ = 4642070383500. Its totient is φ = 4638694326816.

The previous prime is 4640382355109. The next prime is 4640382355177. The reversal of 4640382355157 is 7515532830464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2789588082436 + 1850794272721 = 1670206^2 + 1360439^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640382355157 - 2²⁰ = 4640381306581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4640382355099 and 4640382355108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640382355177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844010048 + ... + 844015545.

It is an arithmetic number, because the mean of its divisors is an integer number (1160517595875).

Almost surely, 2^{4640382355157} is an apocalyptic number.

It is an amenable number.

4640382355157 is a deficient number, since it is larger than the sum of its proper divisors (1688028343).

4640382355157 is a wasteful number, since it uses less digits than its factorization.

4640382355157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688028342.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 4640382355157 in words is "four trillion, six hundred forty billion, three hundred eighty-two million, three hundred fifty-five thousand, one hundred fifty-seven".