245733203240 has 64 divisors (see below), whose sum is σ = 632532844800. Its totient is φ = 84165055488.

The previous prime is 245733203237. The next prime is 245733203279. The reversal of 245733203240 is 42302337542.

It is a super-2 number, since 2×245733203240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 245733203240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175580 + ... + 722699.

It is an arithmetic number, because the mean of its divisors is an integer number (9883325700).

Almost surely, 2^245733203240 is an apocalyptic number.

245733203240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245733203240 is an abundant number, since it is smaller than the sum of its proper divisors (386799641560).

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

245733203240 is a wasteful number, since it uses less digits than its factorization.

245733203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899274 (or 899270 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 35.

The spelling of 245733203240 in words is "two hundred forty-five billion, seven hundred thirty-three million, two hundred three thousand, two hundred forty".