941491952640 has 396 divisors, whose sum is σ = 3387664816536. Its totient is φ = 251055562752.

The previous prime is 941491952633. The next prime is 941491952669. The reversal of 941491952640 is 46259194149.

941491952640 is a `hidden beast` number, since 9 + 4 + 1 + 491 + 95 + 2 + 64 + 0 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33578307 + ... + 33606333.

Almost surely, 2^941491952640 is an apocalyptic number.

941491952640 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 941491952640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693832408268).

941491952640 is an abundant number, since it is smaller than the sum of its proper divisors (2446172863896).

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

941491952640 is an frugal number, since it uses more digits than its factorization.

941491952640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28076 (or 28037 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 941491952640 in words is "nine hundred forty-one billion, four hundred ninety-one million, nine hundred fifty-two thousand, six hundred forty".