64040406060 has 48 divisors (see below), whose sum is σ = 180027574272. Its totient is φ = 17009400000.

The previous prime is 64040406037. The next prime is 64040406077. The reversal of 64040406060 is 6060404046.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 2111116 + ... + 2141235.

It is an arithmetic number, because the mean of its divisors is an integer number (3750574464).

Almost surely, 2^64040406060 is an apocalyptic number.

64040406060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64040406060 is an abundant number, since it is smaller than the sum of its proper divisors (115987168212).

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

64040406060 is a wasteful number, since it uses less digits than its factorization.

64040406060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252614 (or 4252612 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 64040406060 in words is "sixty-four billion, forty million, four hundred six thousand, sixty".