3533747940 has 36 divisors (see below), whose sum is σ = 10719035964. Its totient is φ = 942332736.

The previous prime is 3533747929. The next prime is 3533747951. The reversal of 3533747940 is 497473353.

It is a happy number.

3533747940 is a `hidden beast` number, since 3 + 533 + 7 + 4 + 79 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (3533747929) and next prime (3533747951).

It can be written as a sum of positive squares in 2 ways, for example, as 817045056 + 2716702884 = 28584^2 + 52122^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 9815787 + ... + 9816146.

It is an arithmetic number, because the mean of its divisors is an integer number (297750999).

Almost surely, 2^3533747940 is an apocalyptic number.

3533747940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3533747940 is an abundant number, since it is smaller than the sum of its proper divisors (7185288024).

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

3533747940 is a wasteful number, since it uses less digits than its factorization.

3533747940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631948 (or 19631943 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 45.

The square root of 3533747940 is about 59445.3357295591. The cubic root of 3533747940 is about 1523.1588192760.

The spelling of 3533747940 in words is "three billion, five hundred thirty-three million, seven hundred forty-seven thousand, nine hundred forty".