64022155044 has 24 divisors (see below), whose sum is σ = 149389658880. Its totient is φ = 21340056864.

The previous prime is 64022155031. The next prime is 64022155069. The reversal of 64022155044 is 44055122046.

It is a junction number, because it is equal to n+sod(n) for n = 64022154996 and 64022155014.

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, 466477 + ... + 587915.

It is an arithmetic number, because the mean of its divisors is an integer number (6224569120).

Almost surely, 2^64022155044 is an apocalyptic number.

It is an amenable number.

64022155044 is an abundant number, since it is smaller than the sum of its proper divisors (85367503836).

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

64022155044 is a wasteful number, since it uses less digits than its factorization.

64022155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165379 (or 165377 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 64022155044 in words is "sixty-four billion, twenty-two million, one hundred fifty-five thousand, forty-four".