9940741894 has 8 divisors (see below), whose sum is σ = 15133666968. Its totient is φ = 4896186240.

The previous prime is 9940741843. The next prime is 9940741897. The reversal of 9940741894 is 4981470499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940741897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37092187 + ... + 37092454.

It is an arithmetic number, because the mean of its divisors is an integer number (1891708371).

Almost surely, 2^9940741894 is an apocalyptic number.

9940741894 is a deficient number, since it is larger than the sum of its proper divisors (5192925074).

9940741894 is a wasteful number, since it uses less digits than its factorization.

9940741894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74184710.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 9940741894 is about 99703.2692242336. The cubic root of 9940741894 is about 2150.1706656663.

The spelling of 9940741894 in words is "nine billion, nine hundred forty million, seven hundred forty-one thousand, eight hundred ninety-four".