1406604140 has 48 divisors (see below), whose sum is σ = 3130892352. Its totient is φ = 528992256.

The previous prime is 1406604127. The next prime is 1406604167. The reversal of 1406604140 is 414066041.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 485777 + ... + 488663.

It is an arithmetic number, because the mean of its divisors is an integer number (65226924).

Almost surely, 2^1406604140 is an apocalyptic number.

1406604140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406604140 is an abundant number, since it is smaller than the sum of its proper divisors (1724288212).

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

1406604140 is a wasteful number, since it uses less digits than its factorization.

1406604140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346 (or 4344 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1406604140 is about 37504.7215694238. The cubic root of 1406604140 is about 1120.4452258376.

The spelling of 1406604140 in words is "one billion, four hundred six million, six hundred four thousand, one hundred forty".