30011421240 has 128 divisors (see below), whose sum is σ = 105922728000. Its totient is φ = 7532273664.

The previous prime is 30011421221. The next prime is 30011421299. The reversal of 30011421240 is 4212411003.

30011421240 is a `hidden beast` number, since 3 + 0 + 0 + 1 + 1 + 421 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 798945 + ... + 835664.

Almost surely, 2^30011421240 is an apocalyptic number.

30011421240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30011421240 is an abundant number, since it is smaller than the sum of its proper divisors (75911306760).

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

30011421240 is a wasteful number, since it uses less digits than its factorization.

30011421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634646 (or 1634636 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30011421240 its reverse (4212411003), we get a palindrome (34223832243).

It can be divided in two parts, 3001 and 1421240, that added together give a palindrome (1424241).

The spelling of 30011421240 in words is "thirty billion, eleven million, four hundred twenty-one thousand, two hundred forty".