945814993240 has 128 divisors (see below), whose sum is σ = 2307735360000. Its totient is φ = 346795757568.

The previous prime is 945814993237. The next prime is 945814993259. The reversal of 945814993240 is 42399418549.

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, 274227036 + ... + 274230484.

It is an arithmetic number, because the mean of its divisors is an integer number (18029182500).

Almost surely, 2^945814993240 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 945814993240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153867680000).

945814993240 is an abundant number, since it is smaller than the sum of its proper divisors (1361920366760).

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

945814993240 is a wasteful number, since it uses less digits than its factorization.

945814993240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 6985 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 945814993240 in words is "nine hundred forty-five billion, eight hundred fourteen million, nine hundred ninety-three thousand, two hundred forty".