42908222408 has 16 divisors (see below), whose sum is σ = 80456146560. Its totient is φ = 21453250000.

The previous prime is 42908222407. The next prime is 42908222429. The reversal of 42908222408 is 80422280924.

It is a super-2 number, since 2×42908222408² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42908222407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136733 + ... + 323283.

It is an arithmetic number, because the mean of its divisors is an integer number (5028509160).

Almost surely, 2^42908222408 is an apocalyptic number.

It is an amenable number.

42908222408 is a deficient number, since it is larger than the sum of its proper divisors (37547924152).

42908222408 is a wasteful number, since it uses less digits than its factorization.

42908222408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215308 (or 215304 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

Adding to 42908222408 its sum of digits (41), we get a square (42908222449 = 207143²).

The spelling of 42908222408 in words is "forty-two billion, nine hundred eight million, two hundred twenty-two thousand, four hundred eight".