30432904431890 has 32 divisors (see below), whose sum is σ = 55138056099840. Its totient is φ = 12093503696064.

The previous prime is 30432904431823. The next prime is 30432904431893. The reversal of 30432904431890 is 9813440923403.

It is not an unprimeable number, because it can be changed into a prime (30432904431893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105522 + ... + 8080781.

It is an arithmetic number, because the mean of its divisors is an integer number (1723064253120).

Almost surely, 2^{30432904431890} is an apocalyptic number.

30432904431890 is a deficient number, since it is larger than the sum of its proper divisors (24705151667950).

30432904431890 is a wasteful number, since it uses less digits than its factorization.

30432904431890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188266.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 30432904431890 in words is "thirty trillion, four hundred thirty-two billion, nine hundred four million, four hundred thirty-one thousand, eight hundred ninety".