347457220542 has 64 divisors (see below), whose sum is σ = 786933688320. Its totient is φ = 113599418400.

The previous prime is 347457220541. The next prime is 347457220573. The reversal of 347457220542 is 245022754743.

347457220542 is a `hidden beast` number, since 3 + 4 + 7 + 4 + 572 + 20 + 54 + 2 = 666.

347457220542 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347457220541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10489867 + ... + 10522937.

It is an arithmetic number, because the mean of its divisors is an integer number (12295838880).

Almost surely, 2^347457220542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347457220542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393466844160).

347457220542 is an abundant number, since it is smaller than the sum of its proper divisors (439476467778).

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

347457220542 is a wasteful number, since it uses less digits than its factorization.

347457220542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36806 (or 36800 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 45.

The spelling of 347457220542 in words is "three hundred forty-seven billion, four hundred fifty-seven million, two hundred twenty thousand, five hundred forty-two".