2780460452 has 36 divisors (see below), whose sum is σ = 6112424640. Its totient is φ = 1083294960.

The previous prime is 2780460443. The next prime is 2780460457. The reversal of 2780460452 is 2540640872.

It is not an unprimeable number, because it can be changed into a prime (2780460457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 406952 + ... + 413727.

Almost surely, 2^2780460452 is an apocalyptic number.

2780460452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2780460452 is an abundant number, since it is smaller than the sum of its proper divisors (3331964188).

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

2780460452 is a wasteful number, since it uses less digits than its factorization.

2780460452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820712 (or 820699 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 2780460452 is about 52730.0716100405. The cubic root of 2780460452 is about 1406.1734942490.

The spelling of 2780460452 in words is "two billion, seven hundred eighty million, four hundred sixty thousand, four hundred fifty-two".