40001342234 has 16 divisors (see below), whose sum is σ = 68577928128. Its totient is φ = 17142382752.

The previous prime is 40001342221. The next prime is 40001342243. The reversal of 40001342234 is 43224310004.

It is a super-2 number, since 2×40001342234² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 176909 + ... + 333615.

It is an arithmetic number, because the mean of its divisors is an integer number (4286120508).

Almost surely, 2^40001342234 is an apocalyptic number.

40001342234 is a deficient number, since it is larger than the sum of its proper divisors (28576585894).

40001342234 is a wasteful number, since it uses less digits than its factorization.

40001342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174949.

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

Adding to 40001342234 its reverse (43224310004), we get a palindrome (83225652238).

The spelling of 40001342234 in words is "forty billion, one million, three hundred forty-two thousand, two hundred thirty-four".