1400352489 has 16 divisors (see below), whose sum is σ = 2077479040. Its totient is φ = 932271120.

The previous prime is 1400352467. The next prime is 1400352517. The reversal of 1400352489 is 9842530041.

1400352489 is a `hidden beast` number, since 1 + 400 + 3 + 5 + 248 + 9 = 666.

It is not a de Polignac number, because 1400352489 - 2⁹ = 1400351977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400352409) 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, 16042 + ... + 55299.

It is an arithmetic number, because the mean of its divisors is an integer number (129842440).

Almost surely, 2^1400352489 is an apocalyptic number.

It is an amenable number.

1400352489 is a deficient number, since it is larger than the sum of its proper divisors (677126551).

1400352489 is an equidigital number, since it uses as much as digits as its factorization.

1400352489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72077 (or 72071 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1400352489 is about 37421.2839036824. The cubic root of 1400352489 is about 1118.7828212378.

The spelling of 1400352489 in words is "one billion, four hundred million, three hundred fifty-two thousand, four hundred eighty-nine".