302040421432 has 32 divisors (see below), whose sum is σ = 570798835200. Its totient is φ = 149828005600.

The previous prime is 302040421409. The next prime is 302040421457. The reversal of 302040421432 is 234124040203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 302040421397 and 302040421406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176057 + ... + 4247767.

It is an arithmetic number, because the mean of its divisors is an integer number (17837463600).

Almost surely, 2^302040421432 is an apocalyptic number.

It is an amenable number.

302040421432 is a deficient number, since it is larger than the sum of its proper divisors (268758413768).

302040421432 is a wasteful number, since it uses less digits than its factorization.

302040421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75867 (or 75863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 302040421432 its reverse (234124040203), we get a palindrome (536164461635).

The spelling of 302040421432 in words is "three hundred two billion, forty million, four hundred twenty-one thousand, four hundred thirty-two".