40134022430440 has 32 divisors (see below), whose sum is σ = 90302207822280. Its totient is φ = 16053492109312.

The previous prime is 40134022430419. The next prime is 40134022430473. The reversal of 40134022430440 is 4403422043104.

It can be written as a sum of positive squares in 4 ways, for example, as 7877688385284 + 32256334045156 = 2806722^2 + 5679466^2 .

It is a super-2 number, since 2×40134022430440² (a number of 28 digits) contains 22 as substring.

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, 2020344 + ... + 9184216.

Almost surely, 2^{40134022430440} is an apocalyptic number.

40134022430440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40134022430440 is an abundant number, since it is smaller than the sum of its proper divisors (50168185391840).

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

40134022430440 is a wasteful number, since it uses less digits than its factorization.

40134022430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303941 (or 7303937 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40134022430440 its reverse (4403422043104), we get a palindrome (44537444473544).

The spelling of 40134022430440 in words is "forty trillion, one hundred thirty-four billion, twenty-two million, four hundred thirty thousand, four hundred forty".