1630357234542 has 96 divisors (see below), whose sum is σ = 3697683125760. Its totient is φ = 518181744960.

The previous prime is 1630357234487. The next prime is 1630357234543. The reversal of 1630357234542 is 2454327530361.

It is a happy number.

1630357234542 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 3 + 5 + 72 + 34 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630357234543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445572709 + ... + 445576367.

It is an arithmetic number, because the mean of its divisors is an integer number (38517532560).

Almost surely, 2^{1630357234542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630357234542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848841562880).

1630357234542 is an abundant number, since it is smaller than the sum of its proper divisors (2067325891218).

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

1630357234542 is a wasteful number, since it uses less digits than its factorization.

1630357234542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798 (or 6795 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 1630357234542 in words is "one trillion, six hundred thirty billion, three hundred fifty-seven million, two hundred thirty-four thousand, five hundred forty-two".