4012340428 has 12 divisors (see below), whose sum is σ = 7391153560. Its totient is φ = 1900582272.

The previous prime is 4012340419. The next prime is 4012340429. The reversal of 4012340428 is 8240432104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4012340396 and 4012340405.

It is not an unprimeable number, because it can be changed into a prime (4012340429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26396901 + ... + 26397052.

Almost surely, 2^4012340428 is an apocalyptic number.

It is an amenable number.

4012340428 is a deficient number, since it is larger than the sum of its proper divisors (3378813132).

4012340428 is a wasteful number, since it uses less digits than its factorization.

4012340428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52793976 (or 52793974 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4012340428 is about 63343.0377231784. The cubic root of 4012340428 is about 1589.0318101274.

The spelling of 4012340428 in words is "four billion, twelve million, three hundred forty thousand, four hundred twenty-eight".