245055340 has 48 divisors (see below), whose sum is σ = 568596672. Its totient is φ = 88242176.

The previous prime is 245055337. The next prime is 245055347. The reversal of 245055340 is 43550542.

It is a junction number, because it is equal to n+sod(n) for n = 245055299 and 245055308.

It is not an unprimeable number, because it can be changed into a prime (245055347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7849 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (11845764).

Almost surely, 2^245055340 is an apocalyptic number.

245055340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245055340 is an abundant number, since it is smaller than the sum of its proper divisors (323541332).

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

245055340 is a wasteful number, since it uses less digits than its factorization.

245055340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31386 (or 31384 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 245055340 is about 15654.2435141402. The cubic root of 245055340 is about 625.7795839938.

The spelling of 245055340 in words is "two hundred forty-five million, fifty-five thousand, three hundred forty".