428040204 has 24 divisors (see below), whose sum is σ = 1000776000. Its totient is φ = 142392144.

The previous prime is 428040199. The next prime is 428040209. The reversal of 428040204 is 402040824.

It is an interprime number because it is at equal distance from previous prime (428040199) and next prime (428040209).

It is not an unprimeable number, because it can be changed into a prime (428040209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29754 + ... + 41729.

It is an arithmetic number, because the mean of its divisors is an integer number (41699000).

Almost surely, 2^428040204 is an apocalyptic number.

It is an amenable number.

428040204 is an abundant number, since it is smaller than the sum of its proper divisors (572735796).

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

428040204 is a wasteful number, since it uses less digits than its factorization.

428040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71989 (or 71987 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 428040204 is about 20689.1325096051. The cubic root of 428040204 is about 753.6358003489.

The spelling of 428040204 in words is "four hundred twenty-eight million, forty thousand, two hundred four".