3753640040 has 64 divisors (see below), whose sum is σ = 8551342800. Its totient is φ = 1482743808.

The previous prime is 3753640031. The next prime is 3753640061. The reversal of 3753640040 is 400463573.

It can be written as a sum of positive squares in 8 ways, for example, as 1863303556 + 1890336484 = 43166^2 + 43478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3753639979 and 3753640006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626046 + ... + 2627474.

Almost surely, 2^3753640040 is an apocalyptic number.

It is an amenable number.

3753640040 is an abundant number, since it is smaller than the sum of its proper divisors (4797702760).

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

3753640040 is a wasteful number, since it uses less digits than its factorization.

3753640040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 3753640040 is about 61266.9571628949. The cubic root of 3753640040 is about 1554.1187771095.

The spelling of 3753640040 in words is "three billion, seven hundred fifty-three million, six hundred forty thousand, forty".