30395740542 has 32 divisors (see below), whose sum is σ = 64228982400. Its totient is φ = 9562962528.

The previous prime is 30395740519. The next prime is 30395740547. The reversal of 30395740542 is 24504759303.

It is a junction number, because it is equal to n+sod(n) for n = 30395740494 and 30395740503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30395740547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464928 + ... + 526259.

It is an arithmetic number, because the mean of its divisors is an integer number (2007155700).

Almost surely, 2^30395740542 is an apocalyptic number.

30395740542 is an abundant number, since it is smaller than the sum of its proper divisors (33833241858).

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

30395740542 is a wasteful number, since it uses less digits than its factorization.

30395740542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991480.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 30395740542 in words is "thirty billion, three hundred ninety-five million, seven hundred forty thousand, five hundred forty-two".