40545266254505 has 16 divisors (see below), whose sum is σ = 48662888954880. Its totient is φ = 32430500623872.

The previous prime is 40545266254411. The next prime is 40545266254583. The reversal of 40545266254505 is 50545266254504.

It is a cyclic number.

It is not a de Polignac number, because 40545266254505 - 2²⁸ = 40544997819049 is a prime.

It is a super-2 number, since 2×40545266254505² (a number of 28 digits) contains 22 as substring.

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, 877219286 + ... + 877265504.

It is an arithmetic number, because the mean of its divisors is an integer number (3041430559680).

Almost surely, 2^{40545266254505} is an apocalyptic number.

It is an amenable number.

40545266254505 is a deficient number, since it is larger than the sum of its proper divisors (8117622700375).

40545266254505 is a wasteful number, since it uses less digits than its factorization.

40545266254505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73328.

The product of its (nonzero) digits is 28800000, while the sum is 53.

Subtracting 40545266254505 from its reverse (50545266254504), we obtain a palindrome (9999999999999).

The spelling of 40545266254505 in words is "forty trillion, five hundred forty-five billion, two hundred sixty-six million, two hundred fifty-four thousand, five hundred five".