4280021742 has 16 divisors (see below), whose sum is σ = 8564626512. Its totient is φ = 1425910080.

The previous prime is 4280021737. The next prime is 4280021797. The reversal of 4280021742 is 2471200824.

It is a super-2 number, since 2×4280021742² = 36637172223985429128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 178759 + ... + 201282.

It is an arithmetic number, because the mean of its divisors is an integer number (535289157).

Almost surely, 2^4280021742 is an apocalyptic number.

4280021742 is an abundant number, since it is smaller than the sum of its proper divisors (4284604770).

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

4280021742 is a wasteful number, since it uses less digits than its factorization.

4280021742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381923.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 4280021742 is about 65421.8751030571. The cubic root of 4280021742 is about 1623.6110251146.

The spelling of 4280021742 in words is "four billion, two hundred eighty million, twenty-one thousand, seven hundred forty-two".