39641914452 has 96 divisors (see below), whose sum is σ = 107489127424. Its totient is φ = 11136787200.

The previous prime is 39641914447. The next prime is 39641914517. The reversal of 39641914452 is 25441914693.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2019927 + ... + 2039457.

Almost surely, 2^39641914452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39641914452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53744563712).

39641914452 is an abundant number, since it is smaller than the sum of its proper divisors (67847212972).

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

39641914452 is a wasteful number, since it uses less digits than its factorization.

39641914452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949 (or 19947 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

It can be divided in two parts, 396419 and 14452, that added together give a triangular number (410871 = T₉₀₆).

The spelling of 39641914452 in words is "thirty-nine billion, six hundred forty-one million, nine hundred fourteen thousand, four hundred fifty-two".