245055432221004 has 48 divisors (see below), whose sum is σ = 575250065889408. Its totient is φ = 81193068515328.

The previous prime is 245055432220981. The next prime is 245055432221011. The reversal of 245055432221004 is 400122234550542.

It is a super-2 number, since 2×245055432221004² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83634994 + ... + 86515449.

It is an arithmetic number, because the mean of its divisors is an integer number (11984376372696).

Almost surely, 2^{245055432221004} is an apocalyptic number.

It is an amenable number.

245055432221004 is an abundant number, since it is smaller than the sum of its proper divisors (330194633668404).

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

245055432221004 is a wasteful number, since it uses less digits than its factorization.

245055432221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170151174 (or 170151172 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 245055432221004 its reverse (400122234550542), we get a palindrome (645177666771546).

The spelling of 245055432221004 in words is "two hundred forty-five trillion, fifty-five billion, four hundred thirty-two million, two hundred twenty-one thousand, four".