40163130 has 96 divisors (see below), whose sum is σ = 122638464. Its totient is φ = 8926848.

The previous prime is 40163117. The next prime is 40163143. The reversal of 40163130 is 3136104.

40163130 is a `hidden beast` number, since 4 + 0 + 1 + 631 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (40163117) and next prime (40163143).

It is a super-2 number, since 2×40163130² = 3226154022793800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22449 + ... + 24171.

It is an arithmetic number, because the mean of its divisors is an integer number (1277484).

Almost surely, 2^40163130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40163130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61319232).

40163130 is an abundant number, since it is smaller than the sum of its proper divisors (82475334).

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

40163130 is a wasteful number, since it uses less digits than its factorization.

40163130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40163130 is about 6337.4387571005. The cubic root of 40163130 is about 342.4594727119.

Adding to 40163130 its reverse (3136104), we get a palindrome (43299234).

The spelling of 40163130 in words is "forty million, one hundred sixty-three thousand, one hundred thirty".