3923889225240 has 64 divisors (see below), whose sum is σ = 11771924025600. Its totient is φ = 1046347673472.

The previous prime is 3923889225239. The next prime is 3923889225247. The reversal of 3923889225240 is 425229883293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923889225247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5589309 + ... + 6252051.

It is an arithmetic number, because the mean of its divisors is an integer number (183936312900).

Almost surely, 2^{3923889225240} is an apocalyptic number.

3923889225240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3923889225240 is an abundant number, since it is smaller than the sum of its proper divisors (7848034800360).

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

3923889225240 is a wasteful number, since it uses less digits than its factorization.

3923889225240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712096 (or 712092 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 3923889225240 in words is "three trillion, nine hundred twenty-three billion, eight hundred eighty-nine million, two hundred twenty-five thousand, two hundred forty".