421049752 has 32 divisors (see below), whose sum is σ = 801511200. Its totient is φ = 207337984.

The previous prime is 421049749. The next prime is 421049771. The reversal of 421049752 is 257940124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149574 + ... + 152362.

It is an arithmetic number, because the mean of its divisors is an integer number (25047225).

Almost surely, 2^421049752 is an apocalyptic number.

It is an amenable number.

421049752 is a deficient number, since it is larger than the sum of its proper divisors (380461448).

421049752 is a wasteful number, since it uses less digits than its factorization.

421049752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 421049752 is about 20519.4968749236. The cubic root of 421049752 is about 749.5106449264.

Adding to 421049752 its reverse (257940124), we get a palindrome (678989876).

The spelling of 421049752 in words is "four hundred twenty-one million, forty-nine thousand, seven hundred fifty-two".