1421443952 has 10 divisors (see below), whose sum is σ = 2754047688. Its totient is φ = 710721968.

The previous prime is 1421443943. The next prime is 1421443957. The reversal of 1421443952 is 2593441241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421443957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44420108 + ... + 44420139.

Almost surely, 2^1421443952 is an apocalyptic number.

It is an amenable number.

1421443952 is a deficient number, since it is larger than the sum of its proper divisors (1332603736).

1421443952 is an equidigital number, since it uses as much as digits as its factorization.

1421443952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88840255 (or 88840249 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 1421443952 is about 37702.0417484252. The cubic root of 1421443952 is about 1124.3717188504.

The spelling of 1421443952 in words is "one billion, four hundred twenty-one million, four hundred forty-three thousand, nine hundred fifty-two".