245132512040 has 64 divisors (see below), whose sum is σ = 625236796800. Its totient is φ = 85746753792.

The previous prime is 245132512039. The next prime is 245132512043. The reversal of 245132512040 is 40215231542.

It is a junction number, because it is equal to n+sod(n) for n = 245132511994 and 245132512012.

It is not an unprimeable number, because it can be changed into a prime (245132512043) 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, 12395612 + ... + 12415371.

It is an arithmetic number, because the mean of its divisors is an integer number (9769324950).

Almost surely, 2^245132512040 is an apocalyptic number.

245132512040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245132512040 is an abundant number, since it is smaller than the sum of its proper divisors (380104284760).

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

245132512040 is a wasteful number, since it uses less digits than its factorization.

245132512040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24811026 (or 24811022 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 245132512040 its reverse (40215231542), we get a palindrome (285347743582).

The spelling of 245132512040 in words is "two hundred forty-five billion, one hundred thirty-two million, five hundred twelve thousand, forty".