39248221940 has 24 divisors (see below), whose sum is σ = 82628893032. Its totient is φ = 15659740800.

The previous prime is 39248221939. The next prime is 39248222011. The reversal of 39248221940 is 4912284293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10444022416 + 28804199524 = 102196^2 + 169718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39248221891 and 39248221900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463611 + ... + 2479490.

It is an arithmetic number, because the mean of its divisors is an integer number (3442870543).

Almost surely, 2^39248221940 is an apocalyptic number.

It is an amenable number.

39248221940 is an abundant number, since it is smaller than the sum of its proper divisors (43380671092).

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

39248221940 is a wasteful number, since it uses less digits than its factorization.

39248221940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943507 (or 4943505 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 39248221940 in words is "thirty-nine billion, two hundred forty-eight million, two hundred twenty-one thousand, nine hundred forty".