4294021156 has 24 divisors (see below), whose sum is σ = 7958301120. Its totient is φ = 2023007712.

The previous prime is 4294021139. The next prime is 4294021157. The reversal of 4294021156 is 6511204924.

It is not an unprimeable number, because it can be changed into a prime (4294021157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342151 + ... + 354478.

It is an arithmetic number, because the mean of its divisors is an integer number (331595880).

Almost surely, 2^4294021156 is an apocalyptic number.

4294021156 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4294021156 is a deficient number, since it is larger than the sum of its proper divisors (3664279964).

4294021156 is a wasteful number, since it uses less digits than its factorization.

4294021156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696723 (or 696721 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4294021156 is about 65528.7811270742. The cubic root of 4294021156 is about 1625.3793078731.

The spelling of 4294021156 in words is "four billion, two hundred ninety-four million, twenty-one thousand, one hundred fifty-six".