421245004532 has 48 divisors (see below), whose sum is σ = 821487004800. Its totient is φ = 187389417600.

The previous prime is 421245004517. The next prime is 421245004549. The reversal of 421245004532 is 235400542124.

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, 139778 + ... + 928454.

It is an arithmetic number, because the mean of its divisors is an integer number (17114312600).

Almost surely, 2^421245004532 is an apocalyptic number.

It is an amenable number.

421245004532 is a deficient number, since it is larger than the sum of its proper divisors (400242000268).

421245004532 is a wasteful number, since it uses less digits than its factorization.

421245004532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788952 (or 788950 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 421245004532 its reverse (235400542124), we get a palindrome (656645546656).

The spelling of 421245004532 in words is "four hundred twenty-one billion, two hundred forty-five million, four thousand, five hundred thirty-two".