102780650560 has 224 divisors, whose sum is σ = 282836648448. Its totient is φ = 34847539200.

The previous prime is 102780650549. The next prime is 102780650563. The reversal of 102780650560 is 65056087201.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (102780650563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93691932 + ... + 93693028.

Almost surely, 2^102780650560 is an apocalyptic number.

102780650560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102780650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141418324224).

102780650560 is an abundant number, since it is smaller than the sum of its proper divisors (180055997888).

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

102780650560 is a wasteful number, since it uses less digits than its factorization.

102780650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 102780650560 in words is "one hundred two billion, seven hundred eighty million, six hundred fifty thousand, five hundred sixty".