40134563144072 has 32 divisors (see below), whose sum is σ = 78524482639680. Its totient is φ = 19194708603840.

The previous prime is 40134563144057. The next prime is 40134563144077. The reversal of 40134563144072 is 27044136543104.

It is a super-2 number, since 2×40134563144072² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134563144077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79030838 + ... + 79537050.

It is an arithmetic number, because the mean of its divisors is an integer number (2453890082490).

Almost surely, 2^{40134563144072} is an apocalyptic number.

It is an amenable number.

40134563144072 is a deficient number, since it is larger than the sum of its proper divisors (38389919495608).

40134563144072 is a wasteful number, since it uses less digits than its factorization.

40134563144072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937133 (or 937129 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

Adding to 40134563144072 its reverse (27044136543104), we get a palindrome (67178699687176).

The spelling of 40134563144072 in words is "forty trillion, one hundred thirty-four billion, five hundred sixty-three million, one hundred forty-four thousand, seventy-two".