4004032445420 has 96 divisors (see below), whose sum is σ = 9639629260800. Its totient is φ = 1368536891904.

The previous prime is 4004032445411. The next prime is 4004032445429. The reversal of 4004032445420 is 245442304004.

It is an interprime number because it is at equal distance from previous prime (4004032445411) and next prime (4004032445429).

It is not an unprimeable number, because it can be changed into a prime (4004032445429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88329521 + ... + 88374839.

It is an arithmetic number, because the mean of its divisors is an integer number (100412804800).

Almost surely, 2^{4004032445420} is an apocalyptic number.

It is an amenable number.

4004032445420 is an abundant number, since it is smaller than the sum of its proper divisors (5635596815380).

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

4004032445420 is a wasteful number, since it uses less digits than its factorization.

4004032445420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47287 (or 47285 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 4004032445420 its reverse (245442304004), we get a palindrome (4249474749424).

The spelling of 4004032445420 in words is "four trillion, four billion, thirty-two million, four hundred forty-five thousand, four hundred twenty".