419417478 has 24 divisors (see below), whose sum is σ = 920244000. Its totient is φ = 138035664.

The previous prime is 419417477. The next prime is 419417483. The reversal of 419417478 is 874714914.

It is a happy number.

It is a super-2 number, since 2×419417478² = 351822041703760968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419417477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146053 + ... + 148896.

It is an arithmetic number, because the mean of its divisors is an integer number (38343500).

Almost surely, 2^419417478 is an apocalyptic number.

419417478 is an abundant number, since it is smaller than the sum of its proper divisors (500826522).

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

419417478 is a wasteful number, since it uses less digits than its factorization.

419417478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295036 (or 295033 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 419417478 is about 20479.6845190545. The cubic root of 419417478 is about 748.5408536971.

The spelling of 419417478 in words is "four hundred nineteen million, four hundred seventeen thousand, four hundred seventy-eight".