3533256240 has 40 divisors (see below), whose sum is σ = 10953095088. Its totient is φ = 942201600.

The previous prime is 3533256157. The next prime is 3533256253. The reversal of 3533256240 is 426523353.

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

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, 7360711 + ... + 7361190.

Almost surely, 2^3533256240 is an apocalyptic number.

3533256240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3533256240 is an abundant number, since it is smaller than the sum of its proper divisors (7419838848).

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

3533256240 is a wasteful number, since it uses less digits than its factorization.

3533256240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14721917 (or 14721911 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The square root of 3533256240 is about 59441.1998533004. The cubic root of 3533256240 is about 1523.0881698368.

Adding to 3533256240 its reverse (426523353), we get a palindrome (3959779593).

The spelling of 3533256240 in words is "three billion, five hundred thirty-three million, two hundred fifty-six thousand, two hundred forty".