403160940 has 288 divisors, whose sum is σ = 1524397056. Its totient is φ = 83980800.

The previous prime is 403160903. The next prime is 403160941. The reversal of 403160940 is 49061304.

It is not an unprimeable number, because it can be changed into a prime (403160941) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2473299 + ... + 2473461.

Almost surely, 2^403160940 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 403160940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762198528).

403160940 is an abundant number, since it is smaller than the sum of its proper divisors (1121236116).

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

403160940 is a wasteful number, since it uses less digits than its factorization.

403160940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 403160940 is about 20078.8679959803. The cubic root of 403160940 is about 738.7420434265.

The spelling of 403160940 in words is "four hundred three million, one hundred sixty thousand, nine hundred forty".