4003840040384 has 14 divisors (see below), whose sum is σ = 7945120080264. Its totient is φ = 2001920020160.

The previous prime is 4003840040381. The next prime is 4003840040399. The reversal of 4003840040384 is 4830400483004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003840040381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31280000252 + ... + 31280000379.

Almost surely, 2^{4003840040384} is an apocalyptic number.

It is an amenable number.

4003840040384 is a deficient number, since it is larger than the sum of its proper divisors (3941280039880).

4003840040384 is an equidigital number, since it uses as much as digits as its factorization.

4003840040384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62560000643 (or 62560000633 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 4003840040384 in words is "four trillion, three billion, eight hundred forty million, forty thousand, three hundred eighty-four".