1400461689 has 16 divisors (see below), whose sum is σ = 2056078080. Its totient is φ = 840830160.

The previous prime is 1400461669. The next prime is 1400461691. The reversal of 1400461689 is 9861640041.

It is not a de Polignac number, because 1400461689 - 2⁷ = 1400461561 is a prime.

It is a super-2 number, since 2×1400461689² = 3922585884713465442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400461669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194779 + ... + 201840.

It is an arithmetic number, because the mean of its divisors is an integer number (128504880).

Almost surely, 2^1400461689 is an apocalyptic number.

It is an amenable number.

1400461689 is a deficient number, since it is larger than the sum of its proper divisors (655616391).

1400461689 is a wasteful number, since it uses less digits than its factorization.

1400461689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396740.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1400461689 is about 37422.7429379515. The cubic root of 1400461689 is about 1118.8119015133.

The spelling of 1400461689 in words is "one billion, four hundred million, four hundred sixty-one thousand, six hundred eighty-nine".