4021737940456 has 16 divisors (see below), whose sum is σ = 7552201377600. Its totient is φ = 2007817573104.

The previous prime is 4021737940453. The next prime is 4021737940463. The reversal of 4021737940456 is 6540497371204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4021737940453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381419040 + ... + 381429583.

It is an arithmetic number, because the mean of its divisors is an integer number (472012586100).

Almost surely, 2^{4021737940456} is an apocalyptic number.

It is an amenable number.

4021737940456 is a deficient number, since it is larger than the sum of its proper divisors (3530463437144).

4021737940456 is a wasteful number, since it uses less digits than its factorization.

4021737940456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762849288 (or 762849284 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 4021737940456 in words is "four trillion, twenty-one billion, seven hundred thirty-seven million, nine hundred forty thousand, four hundred fifty-six".