30457729740 has 48 divisors (see below), whose sum is σ = 85534761312. Its totient is φ = 8097954816.

The previous prime is 30457729723. The next prime is 30457729759. The reversal of 30457729740 is 4792775403.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30457729740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732939 + ... + 773378.

It is an arithmetic number, because the mean of its divisors is an integer number (1781974194).

Almost surely, 2^30457729740 is an apocalyptic number.

30457729740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30457729740 is an abundant number, since it is smaller than the sum of its proper divisors (55077031572).

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

30457729740 is a wasteful number, since it uses less digits than its factorization.

30457729740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506666 (or 1506664 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 30457729740 in words is "thirty billion, four hundred fifty-seven million, seven hundred twenty-nine thousand, seven hundred forty".