428229490400 has 36 divisors (see below), whose sum is σ = 1045415245392. Its totient is φ = 171291795840.

The previous prime is 428229490393. The next prime is 428229490411. The reversal of 428229490400 is 4094922824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267642632 + ... + 267644231.

It is an arithmetic number, because the mean of its divisors is an integer number (29039312372).

Almost surely, 2^428229490400 is an apocalyptic number.

428229490400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428229490400 is an abundant number, since it is smaller than the sum of its proper divisors (617185754992).

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

428229490400 is a wasteful number, since it uses less digits than its factorization.

428229490400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535286883 (or 535286870 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 428229490400 in words is "four hundred twenty-eight billion, two hundred twenty-nine million, four hundred ninety thousand, four hundred".