452240523623641 has 16 divisors (see below), whose sum is σ = 474350652230400. Its totient is φ = 430650990973440.

The previous prime is 452240523623611. The next prime is 452240523623699. The reversal of 452240523623641 is 146326325042254.

It is a cyclic number.

It is not a de Polignac number, because 452240523623641 - 2²¹ = 452240521526489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452240523623611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162168646 + ... + 164933776.

It is an arithmetic number, because the mean of its divisors is an integer number (29646915764400).

Almost surely, 2^{452240523623641} is an apocalyptic number.

It is an amenable number.

452240523623641 is a deficient number, since it is larger than the sum of its proper divisors (22110128606759).

452240523623641 is a wasteful number, since it uses less digits than its factorization.

452240523623641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859264.

The product of its (nonzero) digits is 8294400, while the sum is 49.

Adding to 452240523623641 its reverse (146326325042254), we get a palindrome (598566848665895).

The spelling of 452240523623641 in words is "four hundred fifty-two trillion, two hundred forty billion, five hundred twenty-three million, six hundred twenty-three thousand, six hundred forty-one".