1390482240 has 112 divisors (see below), whose sum is σ = 5045488512. Its totient is φ = 317822976.

The previous prime is 1390482229. The next prime is 1390482253. The reversal of 1390482240 is 422840931.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96739 + ... + 110178.

Almost surely, 2^1390482240 is an apocalyptic number.

1390482240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390482240 is an abundant number, since it is smaller than the sum of its proper divisors (3655006272).

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

1390482240 is a wasteful number, since it uses less digits than its factorization.

1390482240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206944 (or 206934 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1390482240 is about 37289.1705458837. The cubic root of 1390482240 is about 1116.1480771128.

The spelling of 1390482240 in words is "one billion, three hundred ninety million, four hundred eighty-two thousand, two hundred forty".