47242353420 has 36 divisors (see below), whose sum is σ = 143301805920. Its totient is φ = 12597960864.

The previous prime is 47242353359. The next prime is 47242353449. The reversal of 47242353420 is 2435324274.

47242353420 is a `hidden beast` number, since 47 + 242 + 35 + 342 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131228580 + ... + 131228939.

It is an arithmetic number, because the mean of its divisors is an integer number (3980605720).

Almost surely, 2^47242353420 is an apocalyptic number.

It is an amenable number.

47242353420 is an abundant number, since it is smaller than the sum of its proper divisors (96059452500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47242353420 is a wasteful number, since it uses less digits than its factorization.

47242353420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262457534 (or 262457529 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

Adding to 47242353420 its reverse (2435324274), we get a palindrome (49677677694).

The spelling of 47242353420 in words is "forty-seven billion, two hundred forty-two million, three hundred fifty-three thousand, four hundred twenty".