40400440130 has 32 divisors (see below), whose sum is σ = 72908726400. Its totient is φ = 16118468352.

The previous prime is 40400440127. The next prime is 40400440133. The reversal of 40400440130 is 3104400404.

It is an interprime number because it is at equal distance from previous prime (40400440127) and next prime (40400440133).

It is a super-3 number, since 3×40400440130³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40400440133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063066 + ... + 8068074.

It is an arithmetic number, because the mean of its divisors is an integer number (2278397700).

Almost surely, 2^40400440130 is an apocalyptic number.

40400440130 is a deficient number, since it is larger than the sum of its proper divisors (32508286270).

40400440130 is a wasteful number, since it uses less digits than its factorization.

40400440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40400440130 its reverse (3104400404), we get a palindrome (43504840534).

The spelling of 40400440130 in words is "forty billion, four hundred million, four hundred forty thousand, one hundred thirty".