525463106400644 has 24 divisors (see below), whose sum is σ = 928128814284000. Its totient is φ = 260291131546176.

The previous prime is 525463106400623. The next prime is 525463106400647. The reversal of 525463106400644 is 446004601364525.

It is a happy number.

It is a super-2 number, since 2×525463106400644² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525463106400592 and 525463106400601.

It is not an unprimeable number, because it can be changed into a prime (525463106400647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960522422 + ... + 961069325.

It is an arithmetic number, because the mean of its divisors is an integer number (38672033928500).

Almost surely, 2^{525463106400644} is an apocalyptic number.

It is an amenable number.

525463106400644 is a deficient number, since it is larger than the sum of its proper divisors (402665707883356).

525463106400644 is a wasteful number, since it uses less digits than its factorization.

525463106400644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921592387 (or 1921592385 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 525463106400644 in words is "five hundred twenty-five trillion, four hundred sixty-three billion, one hundred six million, four hundred thousand, six hundred forty-four".