1404432420 has 24 divisors (see below), whose sum is σ = 3932410944. Its totient is φ = 374515296.

The previous prime is 1404432397. The next prime is 1404432433. The reversal of 1404432420 is 242344041.

It is a happy 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, 11703544 + ... + 11703663.

It is an arithmetic number, because the mean of its divisors is an integer number (163850456).

Almost surely, 2^1404432420 is an apocalyptic number.

1404432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404432420 is an abundant number, since it is smaller than the sum of its proper divisors (2527978524).

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

1404432420 is a wasteful number, since it uses less digits than its factorization.

1404432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23407219 (or 23407217 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1404432420 is about 37475.7577641867. The cubic root of 1404432420 is about 1119.8682933986.

Adding to 1404432420 its reverse (242344041), we get a palindrome (1646776461).

It can be divided in two parts, 14044 and 32420, that added together give a palindrome (46464).

The spelling of 1404432420 in words is "one billion, four hundred four million, four hundred thirty-two thousand, four hundred twenty".