908457628428 has 144 divisors (see below), whose sum is σ = 2711530838016. Its totient is φ = 250960343040.

The previous prime is 908457628423. The next prime is 908457628439. The reversal of 908457628428 is 824826754809.

It is a super-2 number, since 2×908457628428² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (908457628423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8721100 + ... + 8824652.

It is an arithmetic number, because the mean of its divisors is an integer number (18830075264).

Almost surely, 2^908457628428 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 908457628428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355765419008).

908457628428 is an abundant number, since it is smaller than the sum of its proper divisors (1803073209588).

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

908457628428 is a wasteful number, since it uses less digits than its factorization.

908457628428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104724 (or 104719 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 908457628428 in words is "nine hundred eight billion, four hundred fifty-seven million, six hundred twenty-eight thousand, four hundred twenty-eight".