40134334143872 has 64 divisors (see below), whose sum is σ = 80137037500800. Its totient is φ = 20021516734464.

The previous prime is 40134334143853. The next prime is 40134334143887. The reversal of 40134334143872 is 27834143343104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×40134334143872² (a number of 28 digits) contains 22 as substring.

It is a congruent 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, 911521154 + ... + 911565182.

It is an arithmetic number, because the mean of its divisors is an integer number (1252141210950).

Almost surely, 2^{40134334143872} is an apocalyptic number.

It is an amenable number.

40134334143872 is a deficient number, since it is larger than the sum of its proper divisors (40002703356928).

40134334143872 is a wasteful number, since it uses less digits than its factorization.

40134334143872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60083 (or 60071 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 47.

Adding to 40134334143872 its reverse (27834143343104), we get a palindrome (67968477486976).

The spelling of 40134334143872 in words is "forty trillion, one hundred thirty-four billion, three hundred thirty-four million, one hundred forty-three thousand, eight hundred seventy-two".