2780100045036 has 72 divisors (see below), whose sum is σ = 7225164273600. Its totient is φ = 900895777536.

The previous prime is 2780100045029. The next prime is 2780100045067. The reversal of 2780100045036 is 6305400010872.

2780100045036 is a `hidden beast` number, since 2 + 78 + 0 + 100 + 0 + 450 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5261601 + ... + 5765816.

It is an arithmetic number, because the mean of its divisors is an integer number (100349503800).

Almost surely, 2^{2780100045036} is an apocalyptic number.

It is an amenable number.

2780100045036 is an abundant number, since it is smaller than the sum of its proper divisors (4445064228564).

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

2780100045036 is a wasteful number, since it uses less digits than its factorization.

2780100045036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027623 (or 11027618 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 2780100045036 in words is "two trillion, seven hundred eighty billion, one hundred million, forty-five thousand, thirty-six".