405401419 has 2 divisors, whose sum is σ = 405401420. Its totient is φ = 405401418.

The previous prime is 405401387. The next prime is 405401441. The reversal of 405401419 is 914104504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405401419 - 2⁵ = 405401387 is a prime.

It is a super-2 number, since 2×405401419² = 328700621054427122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405401719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202700709 + 202700710.

It is an arithmetic number, because the mean of its divisors is an integer number (202700710).

Almost surely, 2^405401419 is an apocalyptic number.

405401419 is a deficient number, since it is larger than the sum of its proper divisors (1).

405401419 is an equidigital number, since it uses as much as digits as its factorization.

405401419 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 405401419 is about 20134.5826626727. The cubic root of 405401419 is about 740.1079821726.

The spelling of 405401419 in words is "four hundred five million, four hundred one thousand, four hundred nineteen".