30953894400 has 720 divisors, whose sum is σ = 130211040960. Its totient is φ = 6923059200.

The previous prime is 30953894399. The next prime is 30953894407. The reversal of 30953894400 is 449835903.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30953894407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16472661 + ... + 16474539.

It is an arithmetic number, because the mean of its divisors is an integer number (180848668).

Almost surely, 2^30953894400 is an apocalyptic number.

30953894400 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 30953894400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65105520480).

30953894400 is an abundant number, since it is smaller than the sum of its proper divisors (99257146560).

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

30953894400 is a wasteful number, since it uses less digits than its factorization.

30953894400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 30953894400 in words is "thirty billion, nine hundred fifty-three million, eight hundred ninety-four thousand, four hundred".