245151505040 has 40 divisors (see below), whose sum is σ = 613821655608. Its totient is φ = 90517478400.

The previous prime is 245151505033. The next prime is 245151505069. The reversal of 245151505040 is 40505151542.

245151505040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19932921856 + 225218583184 = 141184^2 + 474572^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 245151504988 and 245151505006.

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, 117860261 + ... + 117862340.

Almost surely, 2^245151505040 is an apocalyptic number.

245151505040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245151505040 is an abundant number, since it is smaller than the sum of its proper divisors (368670150568).

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

245151505040 is a wasteful number, since it uses less digits than its factorization.

245151505040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235722627 (or 235722621 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 245151505040 its reverse (40505151542), we get a palindrome (285656656582).

The spelling of 245151505040 in words is "two hundred forty-five billion, one hundred fifty-one million, five hundred five thousand, forty".