64606012256254 has 48 divisors (see below), whose sum is σ = 115482276655200. Its totient is φ = 27012535549440.

The previous prime is 64606012256231. The next prime is 64606012256297. The reversal of 64606012256254 is 45265221060646.

It is a happy number.

It is a super-2 number, since 2×64606012256254² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 64606012256198 and 64606012256207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435866847 + ... + 436015045.

It is an arithmetic number, because the mean of its divisors is an integer number (2405880763650).

Almost surely, 2^{64606012256254} is an apocalyptic number.

64606012256254 is a deficient number, since it is larger than the sum of its proper divisors (50876264398946).

64606012256254 is a wasteful number, since it uses less digits than its factorization.

64606012256254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256753 (or 256746 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 64606012256254 in words is "sixty-four trillion, six hundred six billion, twelve million, two hundred fifty-six thousand, two hundred fifty-four".