245252587740 has 24 divisors (see below), whose sum is σ = 686707245840. Its totient is φ = 65400690048.

The previous prime is 245252587711. The next prime is 245252587751. The reversal of 245252587740 is 47785252542.

It is a congruent number.

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, 2043771505 + ... + 2043771624.

It is an arithmetic number, because the mean of its divisors is an integer number (28612801910).

Almost surely, 2^245252587740 is an apocalyptic number.

245252587740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245252587740 is an abundant number, since it is smaller than the sum of its proper divisors (441454658100).

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

245252587740 is a wasteful number, since it uses less digits than its factorization.

245252587740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087543141 (or 4087543139 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 51.

The spelling of 245252587740 in words is "two hundred forty-five billion, two hundred fifty-two million, five hundred eighty-seven thousand, seven hundred forty".