40134172523740 has 12 divisors (see below), whose sum is σ = 84281762299896. Its totient is φ = 16053669009488.

The previous prime is 40134172523729. The next prime is 40134172523789. The reversal of 40134172523740 is 4732527143104.

It is a super-2 number, since 2×40134172523740² (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 3 ways as a sum of consecutive naturals, for example, 1003354313074 + ... + 1003354313113.

It is an arithmetic number, because the mean of its divisors is an integer number (7023480191658).

Almost surely, 2^{40134172523740} is an apocalyptic number.

It is an amenable number.

40134172523740 is an abundant number, since it is smaller than the sum of its proper divisors (44147589776156).

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

40134172523740 is a wasteful number, since it uses less digits than its factorization.

40134172523740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006708626196 (or 2006708626194 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

Adding to 40134172523740 its reverse (4732527143104), we get a palindrome (44866699666844).

The spelling of 40134172523740 in words is "forty trillion, one hundred thirty-four billion, one hundred seventy-two million, five hundred twenty-three thousand, seven hundred forty".