428621580700 has 144 divisors (see below), whose sum is σ = 995210302464. Its totient is φ = 159855520000.

The previous prime is 428621580683. The next prime is 428621580731. The reversal of 428621580700 is 7085126824.

It is a happy number.

It is a super-2 number, since 2×428621580700² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27125202 + ... + 27140998.

It is an arithmetic number, because the mean of its divisors is an integer number (6911182656).

Almost surely, 2^428621580700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428621580700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497605151232).

428621580700 is an abundant number, since it is smaller than the sum of its proper divisors (566588721764).

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

428621580700 is a wasteful number, since it uses less digits than its factorization.

428621580700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132 (or 16125 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 428621580700 in words is "four hundred twenty-eight billion, six hundred twenty-one million, five hundred eighty thousand, seven hundred".