280379541064 has 16 divisors (see below), whose sum is σ = 600813302400. Its totient is φ = 120162660432.

The previous prime is 280379541061. The next prime is 280379541109. The reversal of 280379541064 is 460145973082.

It is a happy number.

It is a super-2 number, since 2×280379541064² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280379540999 and 280379541017.

It is not an unprimeable number, because it can be changed into a prime (280379541061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503388704 + ... + 2503388815.

It is an arithmetic number, because the mean of its divisors is an integer number (37550831400).

It is a 1-persistent number, because it is pandigital, but 2⋅280379541064 = 560759082128 is not.

Almost surely, 2^280379541064 is an apocalyptic number.

It is an amenable number.

280379541064 is an abundant number, since it is smaller than the sum of its proper divisors (320433761336).

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

280379541064 is a wasteful number, since it uses less digits than its factorization.

280379541064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006777532 (or 5006777528 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 280379541064 in words is "two hundred eighty billion, three hundred seventy-nine million, five hundred forty-one thousand, sixty-four".