428649043290 has 32 divisors (see below), whose sum is σ = 1107892912896. Its totient is φ = 105513610560.

The previous prime is 428649043271. The next prime is 428649043301. The reversal of 428649043290 is 92340946824.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549549666 + ... + 549550445.

It is an arithmetic number, because the mean of its divisors is an integer number (34621653528).

Almost surely, 2^428649043290 is an apocalyptic number.

428649043290 is an abundant number, since it is smaller than the sum of its proper divisors (679243869606).

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

428649043290 is a wasteful number, since it uses less digits than its factorization.

428649043290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099100134.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 428649043290 in words is "four hundred twenty-eight billion, six hundred forty-nine million, forty-three thousand, two hundred ninety".