3756632240 has 40 divisors (see below), whose sum is σ = 8737878240. Its totient is φ = 1502014976.

The previous prime is 3756632227. The next prime is 3756632249. The reversal of 3756632240 is 422366573.

It is a happy number.

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

It is a super-2 number, since 2×3756632240² = 28224571573214835200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3756632194 and 3756632203.

It is not an unprimeable number, because it can be changed into a prime (3756632249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209717 + ... + 226923.

It is an arithmetic number, because the mean of its divisors is an integer number (218446956).

Almost surely, 2^3756632240 is an apocalyptic number.

It is an amenable number.

3756632240 is an abundant number, since it is smaller than the sum of its proper divisors (4981246000).

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

3756632240 is a wasteful number, since it uses less digits than its factorization.

3756632240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19949 (or 19943 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 3756632240 is about 61291.3716602916. The cubic root of 3756632240 is about 1554.5316207372.

The spelling of 3756632240 in words is "three billion, seven hundred fifty-six million, six hundred thirty-two thousand, two hundred forty".