2780000025030 has 64 divisors (see below), whose sum is σ = 7517746598400. Its totient is φ = 730892020320.

The previous prime is 2780000025013. The next prime is 2780000025037. The reversal of 2780000025030 is 305200000872.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2780000024985 and 2780000025003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780000025037) 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, 72489960 + ... + 72528299.

It is an arithmetic number, because the mean of its divisors is an integer number (117464790600).

Almost surely, 2^{2780000025030} is an apocalyptic number.

2780000025030 is an abundant number, since it is smaller than the sum of its proper divisors (4737746573370).

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

2780000025030 is a wasteful number, since it uses less digits than its factorization.

2780000025030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145018346 (or 145018340 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 2780000025030 in words is "two trillion, seven hundred eighty billion, twenty-five thousand, thirty".