245420620432 has 40 divisors (see below), whose sum is σ = 521741465784. Its totient is φ = 111133860864.

The previous prime is 245420620391. The next prime is 245420620439. The reversal of 245420620432 is 234026024542.

It can be written as a sum of positive squares in 4 ways, for example, as 78447047056 + 166973573376 = 280084^2 + 408624^2 .

It is not an unprimeable number, because it can be changed into a prime (245420620439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11120173 + ... + 11142220.

Almost surely, 2^245420620432 is an apocalyptic number.

It is an amenable number.

245420620432 is an abundant number, since it is smaller than the sum of its proper divisors (276320845352).

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

245420620432 is a wasteful number, since it uses less digits than its factorization.

245420620432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22262467 (or 22262461 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 245420620432 its reverse (234026024542), we get a palindrome (479446644974).

The spelling of 245420620432 in words is "two hundred forty-five billion, four hundred twenty million, six hundred twenty thousand, four hundred thirty-two".