940581064 has 32 divisors (see below), whose sum is σ = 1788484320. Its totient is φ = 463689216.

The previous prime is 940581029. The next prime is 940581071. The reversal of 940581064 is 460185049.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217467 + ... + 221749.

It is an arithmetic number, because the mean of its divisors is an integer number (55890135).

Almost surely, 2^940581064 is an apocalyptic number.

It is an amenable number.

940581064 is a deficient number, since it is larger than the sum of its proper divisors (847903256).

940581064 is a wasteful number, since it uses less digits than its factorization.

940581064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 940581064 is about 30668.8940785285. The cubic root of 940581064 is about 979.7879118993.

The spelling of 940581064 in words is "nine hundred forty million, five hundred eighty-one thousand, sixty-four".