3752155648 has 20 divisors (see below), whose sum is σ = 7496983890. Its totient is φ = 1876077568.

The previous prime is 3752155637. The next prime is 3752155651. The reversal of 3752155648 is 8465512573.

It can be written as a sum of positive squares in only one way, i.e., 3529310464 + 222845184 = 59408^2 + 14928^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3752155598 and 3752155607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3663703 + ... + 3664726.

Almost surely, 2^3752155648 is an apocalyptic number.

It is an amenable number.

3752155648 is a deficient number, since it is larger than the sum of its proper divisors (3744828242).

3752155648 is an frugal number, since it uses more digits than its factorization.

3752155648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328447 (or 7328431 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 3752155648 is about 61254.8418331155. The cubic root of 3752155648 is about 1553.9138892659.

The spelling of 3752155648 in words is "three billion, seven hundred fifty-two million, one hundred fifty-five thousand, six hundred forty-eight".