304642994040 has 576 divisors, whose sum is σ = 1330363064160. Its totient is φ = 59578122240.

The previous prime is 304642993937. The next prime is 304642994059. The reversal of 304642994040 is 40499246403.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3252504 + ... + 3344856.

Almost surely, 2^304642994040 is an apocalyptic number.

304642994040 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 304642994040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665181532080).

304642994040 is an abundant number, since it is smaller than the sum of its proper divisors (1025720070120).

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

304642994040 is a wasteful number, since it uses less digits than its factorization.

304642994040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92412 (or 92398 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 304642994040 in words is "three hundred four billion, six hundred forty-two million, nine hundred ninety-four thousand, forty".