1404540019 has 2 divisors, whose sum is σ = 1404540020. Its totient is φ = 1404540018.

The previous prime is 1404540013. The next prime is 1404540023. The reversal of 1404540019 is 9100454041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404540019 - 2⁵ = 1404539987 is a prime.

It is a super-2 number, since 2×1404540019² = 3945465329945040722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1404540013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702270009 + 702270010.

It is an arithmetic number, because the mean of its divisors is an integer number (702270010).

Almost surely, 2^1404540019 is an apocalyptic number.

1404540019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404540019 is an equidigital number, since it uses as much as digits as its factorization.

1404540019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1404540019 is about 37477.1933180701. The cubic root of 1404540019 is about 1119.8968918155.

The spelling of 1404540019 in words is "one billion, four hundred four million, five hundred forty thousand, nineteen".