1404010642 has 8 divisors (see below), whose sum is σ = 2157382332. Its totient is φ = 684883200.

The previous prime is 1404010639. The next prime is 1404010687. The reversal of 1404010642 is 2460104041.

It can be written as a sum of positive squares in 2 ways, for example, as 1403925961 + 84681 = 37469^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8560959 + ... + 8561122.

Almost surely, 2^1404010642 is an apocalyptic number.

1404010642 is a deficient number, since it is larger than the sum of its proper divisors (753371690).

1404010642 is a wasteful number, since it uses less digits than its factorization.

1404010642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17122124.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1404010642 is about 37470.1299971057. The cubic root of 1404010642 is about 1119.7561761964.

Adding to 1404010642 its reverse (2460104041), we get a palindrome (3864114683).

The spelling of 1404010642 in words is "one billion, four hundred four million, ten thousand, six hundred forty-two".