1404740442 has 64 divisors (see below), whose sum is σ = 3307143168. Its totient is φ = 389424000.

The previous prime is 1404740431. The next prime is 1404740453. The reversal of 1404740442 is 2440474041.

It is an interprime number because it is at equal distance from previous prime (1404740431) and next prime (1404740453).

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 31 ways as a sum of consecutive naturals, for example, 326767 + ... + 331037.

It is an arithmetic number, because the mean of its divisors is an integer number (51674112).

Almost surely, 2^1404740442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404740442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653571584).

1404740442 is an abundant number, since it is smaller than the sum of its proper divisors (1902402726).

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

1404740442 is a wasteful number, since it uses less digits than its factorization.

1404740442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515.

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 1404740442 is about 37479.8671555810. The cubic root of 1404740442 is about 1119.9501577522.

The spelling of 1404740442 in words is "one billion, four hundred four million, seven hundred forty thousand, four hundred forty-two".