3455521040 has 40 divisors (see below), whose sum is σ = 8043556608. Its totient is φ = 1380579200.

The previous prime is 3455521021. The next prime is 3455521063. The reversal of 3455521040 is 401255543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3455520994 and 3455521012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44015 + ... + 94065.

Almost surely, 2^3455521040 is an apocalyptic number.

It is an amenable number.

3455521040 is an abundant number, since it is smaller than the sum of its proper divisors (4588035568).

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

3455521040 is a wasteful number, since it uses less digits than its factorization.

3455521040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50927 (or 50921 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 3455521040 is about 58783.6800481222. The cubic root of 3455521040 is about 1511.8354126904.

Adding to 3455521040 its reverse (401255543), we get a palindrome (3856776583).

The spelling of 3455521040 in words is "three billion, four hundred fifty-five million, five hundred twenty-one thousand, forty".