30473373440 has 288 divisors, whose sum is σ = 80918853120. Its totient is φ = 10943741952.

The previous prime is 30473373431. The next prime is 30473373467. The reversal of 30473373440 is 4437337403.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 30473373394 and 30473373403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87819347 + ... + 87819693.

It is an arithmetic number, because the mean of its divisors is an integer number (280968240).

Almost surely, 2^30473373440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30473373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40459426560).

30473373440 is an abundant number, since it is smaller than the sum of its proper divisors (50445479680).

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

30473373440 is a wasteful number, since it uses less digits than its factorization.

30473373440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 38.

The spelling of 30473373440 in words is "thirty billion, four hundred seventy-three million, three hundred seventy-three thousand, four hundred forty".