405428470 has 16 divisors (see below), whose sum is σ = 732962160. Its totient is φ = 161462304.

The previous prime is 405428453. The next prime is 405428483. The reversal of 405428470 is 74824504.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86232 + ... + 90811.

It is an arithmetic number, because the mean of its divisors is an integer number (45810135).

Almost surely, 2^405428470 is an apocalyptic number.

405428470 is a deficient number, since it is larger than the sum of its proper divisors (327533690).

405428470 is a wasteful number, since it uses less digits than its factorization.

405428470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177279.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 405428470 is about 20135.2544061405. The cubic root of 405428470 is about 740.1244434008.

The spelling of 405428470 in words is "four hundred five million, four hundred twenty-eight thousand, four hundred seventy".