2619727420 has 12 divisors (see below), whose sum is σ = 5501427624. Its totient is φ = 1047890960.

The previous prime is 2619727417. The next prime is 2619727427. The reversal of 2619727420 is 247279162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2619727427) 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 3 ways as a sum of consecutive naturals, for example, 65493166 + ... + 65493205.

It is an arithmetic number, because the mean of its divisors is an integer number (458452302).

Almost surely, 2^2619727420 is an apocalyptic number.

2619727420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2619727420 is an abundant number, since it is smaller than the sum of its proper divisors (2881700204).

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

2619727420 is a wasteful number, since it uses less digits than its factorization.

2619727420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130986380 (or 130986378 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2619727420 is about 51183.2728535407. The cubic root of 2619727420 is about 1378.5378723942.

The spelling of 2619727420 in words is "two billion, six hundred nineteen million, seven hundred twenty-seven thousand, four hundred twenty".