245024040 has 32 divisors (see below), whose sum is σ = 735072480. Its totient is φ = 65339712.

The previous prime is 245024029. The next prime is 245024041. The reversal of 245024040 is 40420542.

It is a junction number, because it is equal to n+sod(n) for n = 245023998 and 245024016.

It is not an unprimeable number, because it can be changed into a prime (245024041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020814 + ... + 1021053.

It is an arithmetic number, because the mean of its divisors is an integer number (22971015).

Almost surely, 2^245024040 is an apocalyptic number.

245024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245024040 is an abundant number, since it is smaller than the sum of its proper divisors (490048440).

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

245024040 is a wasteful number, since it uses less digits than its factorization.

245024040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041881 (or 2041877 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 245024040 is about 15653.2437532928. The cubic root of 245024040 is about 625.7529400325.

Adding to 245024040 its reverse (40420542), we get a palindrome (285444582).

The spelling of 245024040 in words is "two hundred forty-five million, twenty-four thousand, forty".