64084406026 has 4 divisors (see below), whose sum is σ = 96126609042. Its totient is φ = 32042203012.

The previous prime is 64084406021. The next prime is 64084406041. The reversal of 64084406026 is 62060448046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62187890625 + 1896515401 = 249375^2 + 43549^2 .

It is a super-2 number, since 2×64084406026² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64084406026.

It is not an unprimeable number, because it can be changed into a prime (64084406021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16021101505 + ... + 16021101508.

Almost surely, 2^64084406026 is an apocalyptic number.

64084406026 is a deficient number, since it is larger than the sum of its proper divisors (32042203016).

64084406026 is a wasteful number, since it uses less digits than its factorization.

64084406026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32042203015.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 64084406026 in words is "sixty-four billion, eighty-four million, four hundred six thousand, twenty-six".