245253040 has 20 divisors (see below), whose sum is σ = 570213504. Its totient is φ = 98101184.

The previous prime is 245252993. The next prime is 245253049. The reversal of 245253040 is 40352542.

245253040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 245252996 and 245253014.

It is not an unprimeable number, because it can be changed into a prime (245253049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532752 + ... + 1532911.

Almost surely, 2^245253040 is an apocalyptic number.

245253040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245253040 is an abundant number, since it is smaller than the sum of its proper divisors (324960464).

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

245253040 is a wasteful number, since it uses less digits than its factorization.

245253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065676 (or 3065670 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245253040 is about 15660.5568227953. The cubic root of 245253040 is about 625.9478226848.

The spelling of 245253040 in words is "two hundred forty-five million, two hundred fifty-three thousand, forty".