94344560640 has 360 divisors, whose sum is σ = 356813756208. Its totient is φ = 22869442560.

The previous prime is 94344560633. The next prime is 94344560701. The reversal of 94344560640 is 4606544349.

94344560640 is a `hidden beast` number, since 9 + 4 + 3 + 44 + 560 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×94344560640² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 8104264 + ... + 8115896.

Almost surely, 2^94344560640 is an apocalyptic number.

94344560640 is a gapful number since it is divisible by the number (90) 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 94344560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178406878104).

94344560640 is an abundant number, since it is smaller than the sum of its proper divisors (262469195568).

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

94344560640 is a wasteful number, since it uses less digits than its factorization.

94344560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683 (or 11654 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 94344560640 in words is "ninety-four billion, three hundred forty-four million, five hundred sixty thousand, six hundred forty".