64119144 has 16 divisors (see below), whose sum is σ = 160297920. Its totient is φ = 21373040.

The previous prime is 64119103. The next prime is 64119169. The reversal of 64119144 is 44191146.

It is a super-2 number, since 2×64119144² = 8222529254585472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335792 + ... + 1335839.

It is an arithmetic number, because the mean of its divisors is an integer number (10018620).

Almost surely, 2^64119144 is an apocalyptic number.

It is an amenable number.

64119144 is an abundant number, since it is smaller than the sum of its proper divisors (96178776).

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

64119144 is a wasteful number, since it uses less digits than its factorization.

64119144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671640 (or 2671636 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 64119144 is about 8007.4430375745. The cubic root of 64119144 is about 400.2480627970.

The spelling of 64119144 in words is "sixty-four million, one hundred nineteen thousand, one hundred forty-four".