1404734418 has 12 divisors (see below), whose sum is σ = 3043591278. Its totient is φ = 468244800.

The previous prime is 1404734411. The next prime is 1404734477. The reversal of 1404734418 is 8144374041.

It is a happy number.

1404734418 is a `hidden beast` number, since 140 + 4 + 73 + 441 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1073021049 + 331713369 = 32757^2 + 18213^2 .

It is a super-2 number, since 2×1404734418² = 3946557570227597448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1404734411) 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 5 ways as a sum of consecutive naturals, for example, 39020383 + ... + 39020418.

Almost surely, 2^1404734418 is an apocalyptic number.

1404734418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1404734418 is an abundant number, since it is smaller than the sum of its proper divisors (1638856860).

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

1404734418 is a wasteful number, since it uses less digits than its factorization.

1404734418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78040809 (or 78040806 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1404734418 is about 37479.7867923498. The cubic root of 1404734418 is about 1119.9485568421.

The spelling of 1404734418 in words is "one billion, four hundred four million, seven hundred thirty-four thousand, four hundred eighteen".