4021354368 has 96 divisors (see below), whose sum is σ = 11970995400. Its totient is φ = 1294218240.

The previous prime is 4021354349. The next prime is 4021354433. The reversal of 4021354368 is 8634531204.

4021354368 is a `hidden beast` number, since 4 + 0 + 213 + 5 + 436 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26778 + ... + 93593.

Almost surely, 2^4021354368 is an apocalyptic number.

4021354368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4021354368 is an abundant number, since it is smaller than the sum of its proper divisors (7949641032).

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

4021354368 is a wasteful number, since it uses less digits than its factorization.

4021354368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120420 (or 120405 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 4021354368 is about 63414.1495882425. The cubic root of 4021354368 is about 1590.2208688072.

The spelling of 4021354368 in words is "four billion, twenty-one million, three hundred fifty-four thousand, three hundred sixty-eight".