1443314740 has 48 divisors (see below), whose sum is σ = 3575706624. Its totient is φ = 478886400.

The previous prime is 1443314731. The next prime is 1443314797. The reversal of 1443314740 is 474133441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 161941 + ... + 170620.

It is an arithmetic number, because the mean of its divisors is an integer number (74493888).

Almost surely, 2^1443314740 is an apocalyptic number.

1443314740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443314740 is an abundant number, since it is smaller than the sum of its proper divisors (2132391884).

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

1443314740 is a wasteful number, since it uses less digits than its factorization.

1443314740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332608 (or 332606 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 1443314740 is about 37990.9823510791. The cubic root of 1443314740 is about 1130.1090400429.

The spelling of 1443314740 in words is "one billion, four hundred forty-three million, three hundred fourteen thousand, seven hundred forty".