3455144020 has 24 divisors (see below), whose sum is σ = 7355200104. Its totient is φ = 1363124736.

The previous prime is 3455143999. The next prime is 3455144023. The reversal of 3455144020 is 204415543.

It can be written as a sum of positive squares in 4 ways, for example, as 63712324 + 3391431696 = 7982^2 + 58236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3455144020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455144023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181809 + ... + 1184728.

It is an arithmetic number, because the mean of its divisors is an integer number (306466671).

Almost surely, 2^3455144020 is an apocalyptic number.

It is an amenable number.

3455144020 is an abundant number, since it is smaller than the sum of its proper divisors (3900056084).

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

3455144020 is a wasteful number, since it uses less digits than its factorization.

3455144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366619 (or 2366617 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3455144020 is about 58780.4731182048. The cubic root of 3455144020 is about 1511.7804269722.

Adding to 3455144020 its reverse (204415543), we get a palindrome (3659559563).

The spelling of 3455144020 in words is "three billion, four hundred fifty-five million, one hundred forty-four thousand, twenty".