40400134034 has 8 divisors (see below), whose sum is σ = 65261755020. Its totient is φ = 18646215696.

The previous prime is 40400133887. The next prime is 40400134037. The reversal of 40400134034 is 43043100404.

It can be written as a sum of positive squares in 2 ways, for example, as 29843599009 + 10556535025 = 172753^2 + 102745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40400134034² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40400134037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776925629 + ... + 776925680.

Almost surely, 2^40400134034 is an apocalyptic number.

40400134034 is a deficient number, since it is larger than the sum of its proper divisors (24861620986).

40400134034 is a wasteful number, since it uses less digits than its factorization.

40400134034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553851324.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40400134034 its reverse (43043100404), we get a palindrome (83443234438).

The spelling of 40400134034 in words is "forty billion, four hundred million, one hundred thirty-four thousand, thirty-four".