40067865766552 has 64 divisors (see below), whose sum is σ = 81150436442880. Its totient is φ = 18437129165952.

The previous prime is 40067865766541. The next prime is 40067865766559. The reversal of 40067865766552 is 25566756876004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40067865766559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48927453 + ... + 49739635.

It is an arithmetic number, because the mean of its divisors is an integer number (1267975569420).

Almost surely, 2^{40067865766552} is an apocalyptic number.

It is an amenable number.

40067865766552 is an abundant number, since it is smaller than the sum of its proper divisors (41082570676328).

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

40067865766552 is a wasteful number, since it uses less digits than its factorization.

40067865766552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813632 (or 813628 counting only the distinct ones).

The product of its (nonzero) digits is 508032000, while the sum is 67.

The spelling of 40067865766552 in words is "forty trillion, sixty-seven billion, eight hundred sixty-five million, seven hundred sixty-six thousand, five hundred fifty-two".