303474505140 has 144 divisors (see below), whose sum is σ = 928004645568. Its totient is φ = 80272207872.

The previous prime is 303474505129. The next prime is 303474505141. The reversal of 303474505140 is 41505474303.

303474505140 is a `hidden beast` number, since 3 + 0 + 3 + 4 + 7 + 4 + 505 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 303474505095 and 303474505104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303474505141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15334932 + ... + 15354708.

Almost surely, 2^303474505140 is an apocalyptic number.

303474505140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303474505140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464002322784).

303474505140 is an abundant number, since it is smaller than the sum of its proper divisors (624530140428).

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

303474505140 is a wasteful number, since it uses less digits than its factorization.

303474505140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20478 (or 20473 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 303474505140 its reverse (41505474303), we get a palindrome (344979979443).

The spelling of 303474505140 in words is "three hundred three billion, four hundred seventy-four million, five hundred five thousand, one hundred forty".