7950438542 has 8 divisors (see below), whose sum is σ = 11926089000. Its totient is φ = 3975075544.

The previous prime is 7950438539. The next prime is 7950438563. The reversal of 7950438542 is 2458340597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 21584 + ... + 127932.

It is an arithmetic number, because the mean of its divisors is an integer number (1490761125).

Almost surely, 2^7950438542 is an apocalyptic number.

7950438542 is a deficient number, since it is larger than the sum of its proper divisors (3975650458).

7950438542 is a wasteful number, since it uses less digits than its factorization.

7950438542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143730.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 7950438542 is about 89165.2316881418. The cubic root of 7950438542 is about 1995.8613200717.

The spelling of 7950438542 in words is "seven billion, nine hundred fifty million, four hundred thirty-eight thousand, five hundred forty-two".