428040008622 has 48 divisors (see below), whose sum is σ = 947510403840. Its totient is φ = 139591470096.

The previous prime is 428040008621. The next prime is 428040008623. The reversal of 428040008622 is 226800040824.

It is a happy number.

428040008622 is a `hidden beast` number, since 4 + 28 + 0 + 4 + 0 + 0 + 0 + 8 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (428040008621) and next prime (428040008623).

It is a super-2 number, since 2×428040008622² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428040008621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2175529 + ... + 2364107.

It is an arithmetic number, because the mean of its divisors is an integer number (19739800080).

Almost surely, 2^428040008622 is an apocalyptic number.

428040008622 is an abundant number, since it is smaller than the sum of its proper divisors (519470395218).

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

428040008622 is a wasteful number, since it uses less digits than its factorization.

428040008622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191317 (or 191314 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 428040008622 in words is "four hundred twenty-eight billion, forty million, eight thousand, six hundred twenty-two".