303153638140 has 12 divisors (see below), whose sum is σ = 636622640136. Its totient is φ = 121261455248.

The previous prime is 303153638131. The next prime is 303153638143. The reversal of 303153638140 is 41836351303.

It is a self number, because there is not a number n which added to its sum of digits gives 303153638140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303153638143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7578840934 + ... + 7578840973.

It is an arithmetic number, because the mean of its divisors is an integer number (53051886678).

Almost surely, 2^303153638140 is an apocalyptic number.

It is an amenable number.

303153638140 is an abundant number, since it is smaller than the sum of its proper divisors (333469001996).

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

303153638140 is a wasteful number, since it uses less digits than its factorization.

303153638140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15157681916 (or 15157681914 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 303153638140 its reverse (41836351303), we get a palindrome (344989989443).

The spelling of 303153638140 in words is "three hundred three billion, one hundred fifty-three million, six hundred thirty-eight thousand, one hundred forty".