84626020040 has 32 divisors (see below), whose sum is σ = 190430154360. Its totient is φ = 33846566400.

The previous prime is 84626020033. The next prime is 84626020079. The reversal of 84626020040 is 4002062648.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32812424164 + 51813595876 = 181142^2 + 227626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84626019979 and 84626020006.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 250970 + ... + 481910.

Almost surely, 2^84626020040 is an apocalyptic number.

It is an amenable number.

84626020040 is an abundant number, since it is smaller than the sum of its proper divisors (105804134320).

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

84626020040 is a wasteful number, since it uses less digits than its factorization.

84626020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240113 (or 240109 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 84626020040 its reverse (4002062648), we get a palindrome (88628082688).

The spelling of 84626020040 in words is "eighty-four billion, six hundred twenty-six million, twenty thousand, forty".