4121420392 has 16 divisors (see below), whose sum is σ = 7731324900. Its totient is φ = 2059733760.

The previous prime is 4121420389. The next prime is 4121420419. The reversal of 4121420392 is 2930241214.

It can be written as a sum of positive squares in 2 ways, for example, as 3954648996 + 166771396 = 62886^2 + 12914^2 .

It is a super-2 number, since 2×4121420392² = 33972212095186867328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4121420392.

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, 103959 + ... + 138022.

Almost surely, 2^4121420392 is an apocalyptic number.

It is an amenable number.

4121420392 is a deficient number, since it is larger than the sum of its proper divisors (3609904508).

4121420392 is a wasteful number, since it uses less digits than its factorization.

4121420392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244116 (or 244112 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4121420392 is about 64198.2896345378. The cubic root of 4121420392 is about 1603.3031230438.

The spelling of 4121420392 in words is "four billion, one hundred twenty-one million, four hundred twenty thousand, three hundred ninety-two".