940243854 has 64 divisors (see below), whose sum is σ = 2189037312. Its totient is φ = 266073600.

The previous prime is 940243847. The next prime is 940243921. The reversal of 940243854 is 458342049.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143784 + ... + 150180.

It is an arithmetic number, because the mean of its divisors is an integer number (34203708).

Almost surely, 2^940243854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940243854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094518656).

940243854 is an abundant number, since it is smaller than the sum of its proper divisors (1248793458).

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

940243854 is a wasteful number, since it uses less digits than its factorization.

940243854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 940243854 is about 30663.3959958776. The cubic root of 940243854 is about 979.6708091899.

The spelling of 940243854 in words is "nine hundred forty million, two hundred forty-three thousand, eight hundred fifty-four".