1442950731 has 12 divisors (see below), whose sum is σ = 2094844752. Its totient is φ = 957082896.

The previous prime is 1442950727. The next prime is 1442950783. The reversal of 1442950731 is 1370592441.

1442950731 is a `hidden beast` number, since 144 + 2 + 9 + 507 + 3 + 1 = 666.

It is not a de Polignac number, because 1442950731 - 2² = 1442950727 is a prime.

It is a super-2 number, since 2×1442950731² = 4164213624186868722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442950711) 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, 405151 + ... + 408696.

It is an arithmetic number, because the mean of its divisors is an integer number (174570396).

Almost surely, 2^1442950731 is an apocalyptic number.

1442950731 is a deficient number, since it is larger than the sum of its proper divisors (651894021).

1442950731 is a wasteful number, since it uses less digits than its factorization.

1442950731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814050 (or 814047 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1442950731 is about 37986.1913200047. The cubic root of 1442950731 is about 1130.0140262440.

The spelling of 1442950731 in words is "one billion, four hundred forty-two million, nine hundred fifty thousand, seven hundred thirty-one".