40347662046556 has 24 divisors (see below), whose sum is σ = 70930911023280. Its totient is φ = 20081780880000.

The previous prime is 40347662046481. The next prime is 40347662046557. The reversal of 40347662046556 is 65564026674304.

It is a super-2 number, since 2×40347662046556² (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 40347662046556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347662046557) 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, 9947571 + ... + 13403338.

It is an arithmetic number, because the mean of its divisors is an integer number (2955454625970).

Almost surely, 2^{40347662046556} is an apocalyptic number.

It is an amenable number.

40347662046556 is a deficient number, since it is larger than the sum of its proper divisors (30583248976724).

40347662046556 is a wasteful number, since it uses less digits than its factorization.

40347662046556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352885 (or 23352883 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 58.

The spelling of 40347662046556 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-two million, forty-six thousand, five hundred fifty-six".