64130444403146 has 48 divisors (see below), whose sum is σ = 117344029548960. Its totient is φ = 25991511333120.

The previous prime is 64130444403131. The next prime is 64130444403173.

It is a happy number.

64130444403146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64130444403146² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64130444403097 and 64130444403106.

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, 265315385 + ... + 265556988.

It is an arithmetic number, because the mean of its divisors is an integer number (2444667282270).

Almost surely, 2^{64130444403146} is an apocalyptic number.

64130444403146 is a deficient number, since it is larger than the sum of its proper divisors (53213585145814).

64130444403146 is a wasteful number, since it uses less digits than its factorization.

64130444403146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530872439 (or 530872422 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 64130444403146 in words is "sixty-four trillion, one hundred thirty billion, four hundred forty-four million, four hundred three thousand, one hundred forty-six".