64040004046 has 16 divisors (see below), whose sum is σ = 101228976288. Its totient is φ = 30324580000.

The previous prime is 64040003983. The next prime is 64040004059.

64040004046 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64040004046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6887305 + ... + 6896596.

It is an arithmetic number, because the mean of its divisors is an integer number (6326811018).

Almost surely, 2^64040004046 is an apocalyptic number.

64040004046 is a deficient number, since it is larger than the sum of its proper divisors (37188972242).

64040004046 is a wasteful number, since it uses less digits than its factorization.

64040004046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784027.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 6404000 and 4046, that added together give a palindrome (6408046).

The spelling of 64040004046 in words is "sixty-four billion, forty million, four thousand, forty-six", and thus it is an eban number.