9494355911040 has 1024 divisors, whose sum is σ = 45148068403200. Its totient is φ = 1821091921920.

The previous prime is 9494355911021. The next prime is 9494355911057. The reversal of 9494355911040 is 401195534949.

9494355911040 is a `hidden beast` number, since 9 + 4 + 9 + 4 + 3 + 5 + 591 + 1 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17022834 + ... + 17571726.

It is an arithmetic number, because the mean of its divisors is an integer number (44089910550).

Almost surely, 2^{9494355911040} is an apocalyptic number.

9494355911040 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 9494355911040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22574034201600).

9494355911040 is an abundant number, since it is smaller than the sum of its proper divisors (35653712492160).

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

9494355911040 is a wasteful number, since it uses less digits than its factorization.

9494355911040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548952 (or 548934 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 9494355911040 in words is "nine trillion, four hundred ninety-four billion, three hundred fifty-five million, nine hundred eleven thousand, forty".