994552240 has 120 divisors (see below), whose sum is σ = 2564835840. Its totient is φ = 358364160.

The previous prime is 994552213. The next prime is 994552249. The reversal of 994552240 is 42255499.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 994552193 and 994552202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994552249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1228956 + ... + 1229764.

It is an arithmetic number, because the mean of its divisors is an integer number (21373632).

Almost surely, 2^994552240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282417920).

994552240 is an abundant number, since it is smaller than the sum of its proper divisors (1570283600).

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

994552240 is a wasteful number, since it uses less digits than its factorization.

994552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 994552240 is about 31536.5223193681. The cubic root of 994552240 is about 998.1807724180.

The spelling of 994552240 in words is "nine hundred ninety-four million, five hundred fifty-two thousand, two hundred forty".