40178903012 has 12 divisors (see below), whose sum is σ = 70342406400. Its totient is φ = 20081072616.

The previous prime is 40178903003. The next prime is 40178903077. The reversal of 40178903012 is 21030987104.

It is a super-2 number, since 2×40178903012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083928 + ... + 2103119.

It is an arithmetic number, because the mean of its divisors is an integer number (5861867200).

Almost surely, 2^40178903012 is an apocalyptic number.

It is an amenable number.

40178903012 is a deficient number, since it is larger than the sum of its proper divisors (30163503388).

40178903012 is a wasteful number, since it uses less digits than its factorization.

40178903012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189450 (or 4189448 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 40178903012 in words is "forty billion, one hundred seventy-eight million, nine hundred three thousand, twelve".