3550223040 has 224 divisors, whose sum is σ = 13873520640. Its totient is φ = 749039616.

The previous prime is 3550223003. The next prime is 3550223041. The reversal of 3550223040 is 403220553.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3550223040.

It is not an unprimeable number, because it can be changed into a prime (3550223041) 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, 67041 + ... + 107679.

It is an arithmetic number, because the mean of its divisors is an integer number (61935360).

Almost surely, 2^3550223040 is an apocalyptic number.

3550223040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6936760320).

3550223040 is an abundant number, since it is smaller than the sum of its proper divisors (10323297600).

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

3550223040 is a wasteful number, since it uses less digits than its factorization.

3550223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40679 (or 40669 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 3550223040 is about 59583.7481197684. The cubic root of 3550223040 is about 1525.5222491521.

Adding to 3550223040 its reverse (403220553), we get a palindrome (3953443593).

The spelling of 3550223040 in words is "three billion, five hundred fifty million, two hundred twenty-three thousand, forty".