1404012140 has 24 divisors (see below), whose sum is σ = 2950577280. Its totient is φ = 561195008.

The previous prime is 1404012091. The next prime is 1404012143. The reversal of 1404012140 is 412104041.

It is not an unprimeable number, because it can be changed into a prime (1404012143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 53091.

It is an arithmetic number, because the mean of its divisors is an integer number (122940720).

Almost surely, 2^1404012140 is an apocalyptic number.

1404012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404012140 is an abundant number, since it is smaller than the sum of its proper divisors (1546565140).

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

1404012140 is a wasteful number, since it uses less digits than its factorization.

1404012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51241 (or 51239 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1404012140 is about 37470.1499863558. The cubic root of 1404012140 is about 1119.7565744351.

Adding to 1404012140 its reverse (412104041), we get a palindrome (1816116181).

The spelling of 1404012140 in words is "one billion, four hundred four million, twelve thousand, one hundred forty".