4021162356 has 24 divisors (see below), whose sum is σ = 9876539680. Its totient is φ = 1269840672.

The previous prime is 4021162339. The next prime is 4021162357. The reversal of 4021162356 is 6532611204.

It is a super-2 number, since 2×4021162356² = 32339493386622941472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021162357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8818111 + ... + 8818566.

Almost surely, 2^4021162356 is an apocalyptic number.

It is an amenable number.

4021162356 is an abundant number, since it is smaller than the sum of its proper divisors (5855377324).

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

4021162356 is a wasteful number, since it uses less digits than its factorization.

4021162356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636703 (or 17636701 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4021162356 is about 63412.6356178325. The cubic root of 4021162356 is about 1590.1955584000.

The spelling of 4021162356 in words is "four billion, twenty-one million, one hundred sixty-two thousand, three hundred fifty-six".