40654335765072 has 40 divisors (see below), whose sum is σ = 105024381893280. Its totient is φ = 13551357362560.

The previous prime is 40654335765053. The next prime is 40654335765073. The reversal of 40654335765072 is 27056753345604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40654335765073) 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, 4953754 + ... + 10288262.

It is an arithmetic number, because the mean of its divisors is an integer number (2625609547332).

Almost surely, 2^{40654335765072} is an apocalyptic number.

It is an amenable number.

40654335765072 is an abundant number, since it is smaller than the sum of its proper divisors (64370046128208).

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

40654335765072 is a wasteful number, since it uses less digits than its factorization.

40654335765072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493291 (or 5493285 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 57.

The spelling of 40654335765072 in words is "forty trillion, six hundred fifty-four billion, three hundred thirty-five million, seven hundred sixty-five thousand, seventy-two".