40178755056 has 80 divisors (see below), whose sum is σ = 114352288128. Its totient is φ = 12054816000.

The previous prime is 40178755031. The next prime is 40178755081. The reversal of 40178755056 is 65055787104.

It is an interprime number because it is at equal distance from previous prime (40178755031) and next prime (40178755081).

It is a super-2 number, since 2×40178755056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 40178754996 and 40178755014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323386 + ... + 430041.

Almost surely, 2^40178755056 is an apocalyptic number.

It is an amenable number.

40178755056 is an abundant number, since it is smaller than the sum of its proper divisors (74173533072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40178755056 is a wasteful number, since it uses less digits than its factorization.

40178755056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753550 (or 753544 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 40178755056 in words is "forty billion, one hundred seventy-eight million, seven hundred fifty-five thousand, fifty-six".