1401488667 has 24 divisors (see below), whose sum is σ = 2063812608. Its totient is φ = 916263600.

The previous prime is 1401488663. The next prime is 1401488707. The reversal of 1401488667 is 7668841041.

It is not a de Polignac number, because 1401488667 - 2² = 1401488663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401488663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116308 + ... + 127790.

It is an arithmetic number, because the mean of its divisors is an integer number (85992192).

Almost surely, 2^1401488667 is an apocalyptic number.

1401488667 is a deficient number, since it is larger than the sum of its proper divisors (662323941).

1401488667 is a wasteful number, since it uses less digits than its factorization.

1401488667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11751 (or 11748 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1401488667 is about 37436.4617318464. The cubic root of 1401488667 is about 1119.0853147918.

The spelling of 1401488667 in words is "one billion, four hundred one million, four hundred eighty-eight thousand, six hundred sixty-seven".