940144580 has 24 divisors (see below), whose sum is σ = 1974964992. Its totient is φ = 375931872.

The previous prime is 940144571. The next prime is 940144609. The reversal of 940144580 is 85441049.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 940144580.

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, 74189 + ... + 85931.

It is an arithmetic number, because the mean of its divisors is an integer number (82290208).

Almost surely, 2^940144580 is an apocalyptic number.

It is an amenable number.

940144580 is an abundant number, since it is smaller than the sum of its proper divisors (1034820412).

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

940144580 is a wasteful number, since it uses less digits than its factorization.

940144580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15755 (or 15753 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 940144580 is about 30661.7771826748. Note that the first 3 decimals coincide. The cubic root of 940144580 is about 979.6363290344.

The spelling of 940144580 in words is "nine hundred forty million, one hundred forty-four thousand, five hundred eighty".