2502780000028 has 24 divisors (see below), whose sum is σ = 5460610909824. Its totient is φ = 975109090800.

The previous prime is 2502780000023. The next prime is 2502780000113. The reversal of 2502780000028 is 8200000872052.

It is a super-3 number, since 3×2502780000028³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2502779999948 and 2502780000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502780000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4062954238 + ... + 4062954853.

It is an arithmetic number, because the mean of its divisors is an integer number (227525454576).

Almost surely, 2^{2502780000028} is an apocalyptic number.

2502780000028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2502780000028 is an abundant number, since it is smaller than the sum of its proper divisors (2957830909796).

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

2502780000028 is a wasteful number, since it uses less digits than its factorization.

2502780000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125909113 (or 8125909111 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 2502780000028 in words is "two trillion, five hundred two billion, seven hundred eighty million, twenty-eight", and thus it is an aban number.