64268278554 has 16 divisors (see below), whose sum is σ = 131271378048. Its totient is φ = 20966956032.

The previous prime is 64268278553. The next prime is 64268278567. The reversal of 64268278554 is 45587286246.

It is a super-3 number, since 3×64268278554³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64268278494 and 64268278503.

It is not an unprimeable number, because it can be changed into a prime (64268278553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113950567 + ... + 113951130.

It is an arithmetic number, because the mean of its divisors is an integer number (8204461128).

Almost surely, 2^64268278554 is an apocalyptic number.

64268278554 is an abundant number, since it is smaller than the sum of its proper divisors (67003099494).

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

64268278554 is a wasteful number, since it uses less digits than its factorization.

64268278554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227901749.

The product of its digits is 25804800, while the sum is 57.

The spelling of 64268278554 in words is "sixty-four billion, two hundred sixty-eight million, two hundred seventy-eight thousand, five hundred fifty-four".