40305442737545 has 16 divisors (see below), whose sum is σ = 48384560736000. Its totient is φ = 32232335425344.

The previous prime is 40305442737481. The next prime is 40305442737583. The reversal of 40305442737545 is 54573724450304.

It is a cyclic number.

It is not a de Polignac number, because 40305442737545 - 2⁶ = 40305442737481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639910124 + ... + 639973106.

It is an arithmetic number, because the mean of its divisors is an integer number (3024035046000).

Almost surely, 2^{40305442737545} is an apocalyptic number.

It is an amenable number.

40305442737545 is a deficient number, since it is larger than the sum of its proper divisors (8079117998455).

40305442737545 is a wasteful number, since it uses less digits than its factorization.

40305442737545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108664.

The product of its (nonzero) digits is 28224000, while the sum is 53.

The spelling of 40305442737545 in words is "forty trillion, three hundred five billion, four hundred forty-two million, seven hundred thirty-seven thousand, five hundred forty-five".