34445004220 has 96 divisors (see below), whose sum is σ = 82573235136. Its totient is φ = 11956838400.

The previous prime is 34445004197. The next prime is 34445004227. The reversal of 34445004220 is 2240054443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34445004227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391500 + ... + 471340.

It is an arithmetic number, because the mean of its divisors is an integer number (860137866).

Almost surely, 2^34445004220 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 34445004220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41286617568).

34445004220 is an abundant number, since it is smaller than the sum of its proper divisors (48128230916).

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

34445004220 is a wasteful number, since it uses less digits than its factorization.

34445004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79951 (or 79949 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 34445004220 its reverse (2240054443), we get a palindrome (36685058663).

The spelling of 34445004220 in words is "thirty-four billion, four hundred forty-five million, four thousand, two hundred twenty".