3545204520 has 128 divisors (see below), whose sum is σ = 12495047040. Its totient is φ = 793328640.

The previous prime is 3545204513. The next prime is 3545204539. The reversal of 3545204520 is 254025453.

3545204520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86139 + ... + 120458.

It is an arithmetic number, because the mean of its divisors is an integer number (97617555).

Almost surely, 2^3545204520 is an apocalyptic number.

3545204520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3545204520 is an abundant number, since it is smaller than the sum of its proper divisors (8949842520).

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

3545204520 is a wasteful number, since it uses less digits than its factorization.

3545204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206635 (or 206631 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 3545204520 is about 59541.6200652955. The cubic root of 3545204520 is about 1524.8030948852.

Adding to 3545204520 its reverse (254025453), we get a palindrome (3799229973).

The spelling of 3545204520 in words is "three billion, five hundred forty-five million, two hundred four thousand, five hundred twenty".