4003973094640 has 40 divisors (see below), whose sum is σ = 9309325526640. Its totient is φ = 1601574084096.

The previous prime is 4003973094631. The next prime is 4003973094643. The reversal of 4003973094640 is 464903793004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003973094643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12580996 + ... + 12895324.

It is an arithmetic number, because the mean of its divisors is an integer number (232733138166).

Almost surely, 2^{4003973094640} is an apocalyptic number.

4003973094640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4003973094640 is an abundant number, since it is smaller than the sum of its proper divisors (5305352432000).

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

4003973094640 is a wasteful number, since it uses less digits than its factorization.

4003973094640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473569 (or 473563 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 4003973094640 in words is "four trillion, three billion, nine hundred seventy-three million, ninety-four thousand, six hundred forty".