4640831214525 has 60 divisors (see below), whose sum is σ = 9377916751104. Its totient is φ = 2250099972000.

The previous prime is 4640831214511. The next prime is 4640831214527. The reversal of 4640831214525 is 5254121380464.

4640831214525 is a `hidden beast` number, since 4 + 6 + 40 + 83 + 1 + 2 + 1 + 4 + 525 = 666.

It is not a de Polignac number, because 4640831214525 - 2¹⁴ = 4640831198141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640831214527) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 104149021 + ... + 104193570.

Almost surely, 2^{4640831214525} is an apocalyptic number.

4640831214525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4640831214525 is an abundant number, since it is smaller than the sum of its proper divisors (4737085536579).

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

4640831214525 is a wasteful number, since it uses less digits than its factorization.

4640831214525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208342624 (or 208342610 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

Adding to 4640831214525 its reverse (5254121380464), we get a palindrome (9894952594989).

The spelling of 4640831214525 in words is "four trillion, six hundred forty billion, eight hundred thirty-one million, two hundred fourteen thousand, five hundred twenty-five".