3533354640 has 60 divisors (see below), whose sum is σ = 11866185084. Its totient is φ = 942227712.

The previous prime is 3533354623. The next prime is 3533354753. The reversal of 3533354640 is 464533353.

3533354640 is a `hidden beast` number, since 3 + 5 + 3 + 3 + 3 + 5 + 4 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1002862224 + 2530492416 = 31668^2 + 50304^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3533354595 and 3533354604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2452999 + ... + 2454438.

Almost surely, 2^3533354640 is an apocalyptic number.

3533354640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3533354640 is an abundant number, since it is smaller than the sum of its proper divisors (8332830444).

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

3533354640 is a wasteful number, since it uses less digits than its factorization.

3533354640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907456 (or 4907447 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The square root of 3533354640 is about 59442.0275562670. The cubic root of 3533354640 is about 1523.1023088703.

Adding to 3533354640 its reverse (464533353), we get a palindrome (3997887993).

The spelling of 3533354640 in words is "three billion, five hundred thirty-three million, three hundred fifty-four thousand, six hundred forty".