419725620 has 72 divisors (see below), whose sum is σ = 1328535936. Its totient is φ = 107059392.

The previous prime is 419725619. The next prime is 419725661. The reversal of 419725620 is 26527914.

419725620 is a `hidden beast` number, since 4 + 1 + 9 + 7 + 25 + 620 = 666.

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 a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46552 + ... + 54831.

It is an arithmetic number, because the mean of its divisors is an integer number (18451888).

Almost surely, 2^419725620 is an apocalyptic number.

It is an amenable number.

419725620 is an abundant number, since it is smaller than the sum of its proper divisors (908810316).

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

419725620 is a wasteful number, since it uses less digits than its factorization.

419725620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101421 (or 101416 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 419725620 is about 20487.2062517074. The cubic root of 419725620 is about 748.7241240850.

The spelling of 419725620 in words is "four hundred nineteen million, seven hundred twenty-five thousand, six hundred twenty".