40153465643 has 16 divisors (see below), whose sum is σ = 42823872000. Its totient is φ = 37539264672.

The previous prime is 40153465621. The next prime is 40153465657. The reversal of 40153465643 is 34656435104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40153465643 is a prime.

It is a super-2 number, since 2×40153465643² (a number of 22 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 40153465643.

It is not an unprimeable number, because it can be changed into a prime (40153465603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505121 + ... + 3516557.

It is an arithmetic number, because the mean of its divisors is an integer number (2676492000).

Almost surely, 2^40153465643 is an apocalyptic number.

40153465643 is a deficient number, since it is larger than the sum of its proper divisors (2670406357).

40153465643 is a wasteful number, since it uses less digits than its factorization.

40153465643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13874.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 40153465643 in words is "forty billion, one hundred fifty-three million, four hundred sixty-five thousand, six hundred forty-three".