40688460044545 has 32 divisors (see below), whose sum is σ = 49642454810880. Its totient is φ = 32010972000000.

The previous prime is 40688460044521. The next prime is 40688460044569. The reversal of 40688460044545 is 54544006488604.

It is an interprime number because it is at equal distance from previous prime (40688460044521) and next prime (40688460044569).

It is not a de Polignac number, because 40688460044545 - 2⁵ = 40688460044513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40688460044545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690764595 + ... + 690823495.

It is an arithmetic number, because the mean of its divisors is an integer number (1551326712840).

Almost surely, 2^{40688460044545} is an apocalyptic number.

It is an amenable number.

40688460044545 is a deficient number, since it is larger than the sum of its proper divisors (8953994766335).

40688460044545 is a wasteful number, since it uses less digits than its factorization.

40688460044545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68217.

The product of its (nonzero) digits is 58982400, while the sum is 58.

The spelling of 40688460044545 in words is "forty trillion, six hundred eighty-eight billion, four hundred sixty million, forty-four thousand, five hundred forty-five".