30054155440 has 40 divisors (see below), whose sum is σ = 69883504848. Its totient is φ = 12020355840.

The previous prime is 30054155437. The next prime is 30054155441. The reversal of 30054155440 is 4455145003.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30054155441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107474 + ... + 1134286.

Almost surely, 2^30054155440 is an apocalyptic number.

It is an amenable number.

30054155440 is an abundant number, since it is smaller than the sum of its proper divisors (39829349408).

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

30054155440 is a wasteful number, since it uses less digits than its factorization.

30054155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40837 (or 40831 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 30054155440 in words is "thirty billion, fifty-four million, one hundred fifty-five thousand, four hundred forty".