40144620537712 has 80 divisors (see below), whose sum is σ = 79167977925120. Its totient is φ = 19716309536000.

The previous prime is 40144620537689. The next prime is 40144620537733. The reversal of 40144620537712 is 21773502644104.

It is a happy number.

It is a super-2 number, since 2×40144620537712² (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 15 ways as a sum of consecutive naturals, for example, 1281781989 + ... + 1281813307.

It is an arithmetic number, because the mean of its divisors is an integer number (989599724064).

Almost surely, 2^{40144620537712} is an apocalyptic number.

It is an amenable number.

40144620537712 is a deficient number, since it is larger than the sum of its proper divisors (39023357387408).

40144620537712 is a wasteful number, since it uses less digits than its factorization.

40144620537712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35542 (or 35536 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 40144620537712 in words is "forty trillion, one hundred forty-four billion, six hundred twenty million, five hundred thirty-seven thousand, seven hundred twelve".