30052262640 has 40 divisors (see below), whose sum is σ = 93162014928. Its totient is φ = 8013936640.

The previous prime is 30052262633. The next prime is 30052262641. The reversal of 30052262640 is 4626225003.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30052262598 and 30052262607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052262641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62608641 + ... + 62609120.

Almost surely, 2^30052262640 is an apocalyptic number.

30052262640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30052262640 is an abundant number, since it is smaller than the sum of its proper divisors (63109752288).

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

30052262640 is a wasteful number, since it uses less digits than its factorization.

30052262640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125217777 (or 125217771 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30052262640 its reverse (4626225003), we get a palindrome (34678487643).

The spelling of 30052262640 in words is "thirty billion, fifty-two million, two hundred sixty-two thousand, six hundred forty".