30405040252000 has 96 divisors (see below), whose sum is σ = 74707835660640. Its totient is φ = 12161584396800.

The previous prime is 30405040251983. The next prime is 30405040252019. The reversal of 30405040252000 is 25204050403.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127709071 + ... + 127946929.

It is an arithmetic number, because the mean of its divisors is an integer number (778206621465).

Almost surely, 2^{30405040252000} is an apocalyptic number.

It is an amenable number.

30405040252000 is an abundant number, since it is smaller than the sum of its proper divisors (44302795408640).

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

30405040252000 is a wasteful number, since it uses less digits than its factorization.

30405040252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269841 (or 269823 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 30405040252000 in words is "thirty trillion, four hundred five billion, forty million, two hundred fifty-two thousand".