1421433400 has 48 divisors (see below), whose sum is σ = 3311562600. Its totient is φ = 567415680.

The previous prime is 1421433383. The next prime is 1421433401. The reversal of 1421433400 is 43341241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421433401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94819 + ... + 108781.

Almost surely, 2^1421433400 is an apocalyptic number.

1421433400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421433400 is an abundant number, since it is smaller than the sum of its proper divisors (1890129200).

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

1421433400 is a wasteful number, since it uses less digits than its factorization.

1421433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14488 (or 14479 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1421433400 is about 37701.9018087947. The cubic root of 1421433400 is about 1124.3689366092.

Adding to 1421433400 its reverse (43341241), we get a palindrome (1464774641).

The spelling of 1421433400 in words is "one billion, four hundred twenty-one million, four hundred thirty-three thousand, four hundred".