2400727780 has 24 divisors (see below), whose sum is σ = 5499849600. Its totient is φ = 872991840.

The previous prime is 2400727739. The next prime is 2400727799. The reversal of 2400727780 is 877270042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455980 + ... + 5456419.

It is an arithmetic number, because the mean of its divisors is an integer number (229160400).

Almost surely, 2^2400727780 is an apocalyptic number.

2400727780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400727780 is an abundant number, since it is smaller than the sum of its proper divisors (3099121820).

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

2400727780 is a wasteful number, since it uses less digits than its factorization.

2400727780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912419 (or 10912417 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 2400727780 is about 48997.2221661596. Note that the first 3 decimals coincide. The cubic root of 2400727780 is about 1339.0012197961.

The spelling of 2400727780 in words is "two billion, four hundred million, seven hundred twenty-seven thousand, seven hundred eighty".