3940519632 has 120 divisors (see below), whose sum is σ = 11859990912. Its totient is φ = 1124121600.

The previous prime is 3940519619. The next prime is 3940519657. The reversal of 3940519632 is 2369150493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 2894632 + ... + 2895992.

Almost surely, 2^3940519632 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 3940519632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5929995456).

3940519632 is an abundant number, since it is smaller than the sum of its proper divisors (7919471280).

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

3940519632 is a wasteful number, since it uses less digits than its factorization.

3940519632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 3940519632 is about 62773.5583824910. The cubic root of 3940519632 is about 1579.4934593714.

The spelling of 3940519632 in words is "three billion, nine hundred forty million, five hundred nineteen thousand, six hundred thirty-two".