942549038640 has 480 divisors, whose sum is σ = 3492427041792. Its totient is φ = 225907200000.

The previous prime is 942549038611. The next prime is 942549038657. The reversal of 942549038640 is 46830945249.

942549038640 is a `hidden beast` number, since 9 + 4 + 2 + 549 + 0 + 38 + 64 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 636426700 + ... + 636428180.

Almost surely, 2^942549038640 is an apocalyptic number.

942549038640 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 942549038640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746213520896).

942549038640 is an abundant number, since it is smaller than the sum of its proper divisors (2549878003152).

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

942549038640 is a wasteful number, since it uses less digits than its factorization.

942549038640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 942549038640 in words is "nine hundred forty-two billion, five hundred forty-nine million, thirty-eight thousand, six hundred forty".