40587775354778 has 16 divisors (see below), whose sum is σ = 60925224107520. Its totient is φ = 20279367821856.

The previous prime is 40587775354717. The next prime is 40587775354843. The reversal of 40587775354778 is 87745357778504.

It is a junction number, because it is equal to n+sod(n) for n = 40587775354699 and 40587775354708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248455001 + ... + 248618307.

It is an arithmetic number, because the mean of its divisors is an integer number (3807826506720).

Almost surely, 2^{40587775354778} is an apocalyptic number.

40587775354778 is a deficient number, since it is larger than the sum of its proper divisors (20337448752742).

40587775354778 is a wasteful number, since it uses less digits than its factorization.

40587775354778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251461.

The product of its (nonzero) digits is 6453888000, while the sum is 77.

The spelling of 40587775354778 in words is "forty trillion, five hundred eighty-seven billion, seven hundred seventy-five million, three hundred fifty-four thousand, seven hundred seventy-eight".