428540402 has 8 divisors (see below), whose sum is σ = 676642800. Its totient is φ = 202992804.

The previous prime is 428540389. The next prime is 428540479. The reversal of 428540402 is 204045824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×428540402² = 367293752292643208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5638652 + ... + 5638727.

It is an arithmetic number, because the mean of its divisors is an integer number (84580350).

Almost surely, 2^428540402 is an apocalyptic number.

428540402 is a deficient number, since it is larger than the sum of its proper divisors (248102398).

428540402 is a wasteful number, since it uses less digits than its factorization.

428540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11277400.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 428540402 is about 20701.2174038147. The cubic root of 428540402 is about 753.9292465980.

The spelling of 428540402 in words is "four hundred twenty-eight million, five hundred forty thousand, four hundred two".