102620278336 has 63 divisors (see below), whose sum is σ = 212998192113. Its totient is φ = 49051073280.

The previous prime is 102620278291. The next prime is 102620278357. The reversal of 102620278336 is 633872026201.

The square root of 102620278336 is 320344.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 102502425600 = 10856^2 + 320160^2 .

It is a super-2 number, since 2×102620278336² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58942426 + ... + 58944166.

Almost surely, 2^102620278336 is an apocalyptic number.

102620278336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

102620278336 is the 320344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102620278336

102620278336 is an abundant number, since it is smaller than the sum of its proper divisors (110377913777).

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

102620278336 is an frugal number, since it uses more digits than its factorization.

102620278336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 1766 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 102620278336 in words is "one hundred two billion, six hundred twenty million, two hundred seventy-eight thousand, three hundred thirty-six".