4021102456 has 16 divisors (see below), whose sum is σ = 8616648240. Its totient is φ = 1723329600.

The previous prime is 4021102447. The next prime is 4021102471. The reversal of 4021102456 is 6542011204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021102456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35902645 + ... + 35902756.

It is an arithmetic number, because the mean of its divisors is an integer number (538540515).

Almost surely, 2^4021102456 is an apocalyptic number.

It is an amenable number.

4021102456 is an abundant number, since it is smaller than the sum of its proper divisors (4595545784).

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

4021102456 is a wasteful number, since it uses less digits than its factorization.

4021102456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71805414 (or 71805410 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4021102456 is about 63412.1633127273. The cubic root of 4021102456 is about 1590.1876624089.

The spelling of 4021102456 in words is "four billion, twenty-one million, one hundred two thousand, four hundred fifty-six".