245355405430540 has 24 divisors (see below), whose sum is σ = 516171389760432. Its totient is φ = 97965964390080.

The previous prime is 245355405430453. The next prime is 245355405430561. The reversal of 245355405430540 is 45034504553542.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11012349966 + ... + 11012372245.

It is an arithmetic number, because the mean of its divisors is an integer number (21507141240018).

Almost surely, 2^{245355405430540} is an apocalyptic number.

245355405430540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245355405430540 is an abundant number, since it is smaller than the sum of its proper divisors (270815984329892).

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

245355405430540 is a wasteful number, since it uses less digits than its factorization.

245355405430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22024722777 (or 22024722775 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 49.

The spelling of 245355405430540 in words is "two hundred forty-five trillion, three hundred fifty-five billion, four hundred five million, four hundred thirty thousand, five hundred forty".