245421013120 has 32 divisors (see below), whose sum is σ = 586709611020. Its totient is φ = 98168404992.

The previous prime is 245421013093. The next prime is 245421013171. The reversal of 245421013120 is 21310124542.

It can be written as a sum of positive squares in 2 ways, for example, as 233103564864 + 12317448256 = 482808^2 + 110984^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191734527 + ... + 191735806.

Almost surely, 2^245421013120 is an apocalyptic number.

245421013120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245421013120 is an abundant number, since it is smaller than the sum of its proper divisors (341288597900).

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

245421013120 is an equidigital number, since it uses as much as digits as its factorization.

245421013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383470352 (or 383470340 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 245421013120 its reverse (21310124542), we get a palindrome (266731137662).

The spelling of 245421013120 in words is "two hundred forty-five billion, four hundred twenty-one million, thirteen thousand, one hundred twenty".