4021423040332 has 72 divisors (see below), whose sum is σ = 7644283416000. Its totient is φ = 1850033738592.

The previous prime is 4021423040303. The next prime is 4021423040353. The reversal of 4021423040332 is 2330403241204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021423040332.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6786919 + ... + 7355617.

It is an arithmetic number, because the mean of its divisors is an integer number (106170603000).

Almost surely, 2^{4021423040332} is an apocalyptic number.

It is an amenable number.

4021423040332 is a deficient number, since it is larger than the sum of its proper divisors (3622860375668).

4021423040332 is a wasteful number, since it uses less digits than its factorization.

4021423040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568883 (or 568862 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 4021423040332 its reverse (2330403241204), we get a palindrome (6351826281536).

The spelling of 4021423040332 in words is "four trillion, twenty-one billion, four hundred twenty-three million, forty thousand, three hundred thirty-two".