4047037942 has 4 divisors (see below), whose sum is σ = 6070556916. Its totient is φ = 2023518970.

The previous prime is 4047037927. The next prime is 4047037961. The reversal of 4047037942 is 2497307404.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4047037942² = 32757032207975190728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4047037895 and 4047037904.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1011759484 + ... + 1011759487.

It is an arithmetic number, because the mean of its divisors is an integer number (1517639229).

Almost surely, 2^4047037942 is an apocalyptic number.

4047037942 is a deficient number, since it is larger than the sum of its proper divisors (2023518974).

4047037942 is a wasteful number, since it uses less digits than its factorization.

4047037942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023518973.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 4047037942 is about 63616.3339245512. Note that the first 3 decimals coincide. The cubic root of 4047037942 is about 1593.5991594532.

The spelling of 4047037942 in words is "four billion, forty-seven million, thirty-seven thousand, nine hundred forty-two".