40134845742036 has 24 divisors (see below), whose sum is σ = 97719624416064. Its totient is φ = 12796617482880.

The previous prime is 40134845742007. The next prime is 40134845742037. The reversal of 40134845742036 is 63024754843104.

It is a super-2 number, since 2×40134845742036² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40134845742036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134845742037) 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, 72708053605 + ... + 72708054156.

It is an arithmetic number, because the mean of its divisors is an integer number (4071651017336).

Almost surely, 2^{40134845742036} is an apocalyptic number.

40134845742036 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40134845742036 is an abundant number, since it is smaller than the sum of its proper divisors (57584778674028).

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

40134845742036 is a wasteful number, since it uses less digits than its factorization.

40134845742036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145416107791 (or 145416107789 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 40134845742036 in words is "forty trillion, one hundred thirty-four billion, eight hundred forty-five million, seven hundred forty-two thousand, thirty-six".