40437773976078 has 12 divisors (see below), whose sum is σ = 87615176948208. Its totient is φ = 13479257992020.

The previous prime is 40437773976077. The next prime is 40437773976233. The reversal of 40437773976078 is 87067937773404.

40437773976078 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 7 + 7 + 7 + 3 + 9 + 7 + 607 + 8 = 666.

It is a super-2 number, since 2×40437773976078² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40437773975997 and 40437773976015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40437773976077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123271499318 + ... + 1123271499353.

It is an arithmetic number, because the mean of its divisors is an integer number (7301264745684).

Almost surely, 2^{40437773976078} is an apocalyptic number.

40437773976078 is an abundant number, since it is smaller than the sum of its proper divisors (47177402972130).

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

40437773976078 is a wasteful number, since it uses less digits than its factorization.

40437773976078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246542998679 (or 2246542998676 counting only the distinct ones).

The product of its (nonzero) digits is 1045529856, while the sum is 72.

The spelling of 40437773976078 in words is "forty trillion, four hundred thirty-seven billion, seven hundred seventy-three million, nine hundred seventy-six thousand, seventy-eight".