2640208046828 has 24 divisors (see below), whose sum is σ = 5043126299904. Its totient is φ = 1199444776400.

The previous prime is 2640208046759. The next prime is 2640208046837. The reversal of 2640208046828 is 8286408020462.

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, 16162568 + ... + 16325103.

It is an arithmetic number, because the mean of its divisors is an integer number (210130262496).

Almost surely, 2^{2640208046828} is an apocalyptic number.

It is an amenable number.

2640208046828 is a deficient number, since it is larger than the sum of its proper divisors (2402918253076).

2640208046828 is a wasteful number, since it uses less digits than its factorization.

2640208046828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32489533 (or 32489531 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 2640208046828 in words is "two trillion, six hundred forty billion, two hundred eight million, forty-six thousand, eight hundred twenty-eight".