40136877648178 has 64 divisors (see below), whose sum is σ = 66510661109760. Its totient is φ = 18090541228032.

The previous prime is 40136877648169. The next prime is 40136877648227. The reversal of 40136877648178 is 87184677863104.

It is a super-2 number, since 2×40136877648178² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12858550 + ... + 15672142.

It is an arithmetic number, because the mean of its divisors is an integer number (1039229079840).

Almost surely, 2^{40136877648178} is an apocalyptic number.

40136877648178 is a deficient number, since it is larger than the sum of its proper divisors (26373783461582).

40136877648178 is a wasteful number, since it uses less digits than its factorization.

40136877648178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813851.

The product of its (nonzero) digits is 303464448, while the sum is 70.

The spelling of 40136877648178 in words is "forty trillion, one hundred thirty-six billion, eight hundred seventy-seven million, six hundred forty-eight thousand, one hundred seventy-eight".