245443031616 has 112 divisors (see below), whose sum is σ = 661564661120. Its totient is φ = 80288133120.

The previous prime is 245443031591. The next prime is 245443031621. The reversal of 245443031616 is 616130344542.

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, 5117700 + ... + 5165436.

Almost surely, 2^245443031616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245443031616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330782330560).

245443031616 is an abundant number, since it is smaller than the sum of its proper divisors (416121629504).

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

245443031616 is a wasteful number, since it uses less digits than its factorization.

245443031616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48252 (or 48242 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 245443031616 in words is "two hundred forty-five billion, four hundred forty-three million, thirty-one thousand, six hundred sixteen".