4421534204450 has 288 divisors, whose sum is σ = 9632860511040. Its totient is φ = 1493257420800.

The previous prime is 4421534204441. The next prime is 4421534204467. The reversal of 4421534204450 is 544024351244.

It is a super-2 number, since 2×4421534204450² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18976541534 + ... + 18976541766.

It is an arithmetic number, because the mean of its divisors is an integer number (33447432330).

Almost surely, 2^{4421534204450} is an apocalyptic number.

4421534204450 is an abundant number, since it is smaller than the sum of its proper divisors (5211326306590).

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

4421534204450 is a wasteful number, since it uses less digits than its factorization.

4421534204450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 4421534204450 its reverse (544024351244), we get a palindrome (4965558555694).

The spelling of 4421534204450 in words is "four trillion, four hundred twenty-one billion, five hundred thirty-four million, two hundred four thousand, four hundred fifty".