40349797682472 has 24 divisors (see below), whose sum is σ = 109280702056890. Its totient is φ = 13449932560800.

The previous prime is 40349797682471. The next prime is 40349797682473. The reversal of 40349797682472 is 27428679794304.

40349797682472 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 9 + 7 + 9 + 76 + 82 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (40349797682471) and next prime (40349797682473).

It can be written as a sum of positive squares in only one way, i.e., 38678274502596 + 1671523179876 = 6219186^2 + 1292874^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 560413856701 = 40349797682472 / (4 + 0 + 3 + 4 + 9 + 7 + 9 + 7 + 6 + 8 + 2 + 4 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 40349797682472.

It is not an unprimeable number, because it can be changed into a prime (40349797682471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280206928279 + ... + 280206928422.

Almost surely, 2^{40349797682472} is an apocalyptic number.

It is an amenable number.

40349797682472 is an abundant number, since it is smaller than the sum of its proper divisors (68930904374418).

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

40349797682472 is a wasteful number, since it uses less digits than its factorization.

40349797682472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560413856713 (or 560413856706 counting only the distinct ones).

The product of its (nonzero) digits is 1024192512, while the sum is 72.

The spelling of 40349797682472 in words is "forty trillion, three hundred forty-nine billion, seven hundred ninety-seven million, six hundred eighty-two thousand, four hundred seventy-two".