40078037355312 has 160 divisors (see below), whose sum is σ = 119666929754880. Its totient is φ = 11423213199360.

The previous prime is 40078037355289. The next prime is 40078037355347. The reversal of 40078037355312 is 21355373087004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12759228 + ... + 15586980.

It is an arithmetic number, because the mean of its divisors is an integer number (747918310968).

Almost surely, 2^{40078037355312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40078037355312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59833464877440).

40078037355312 is an abundant number, since it is smaller than the sum of its proper divisors (79588892399568).

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

40078037355312 is a wasteful number, since it uses less digits than its factorization.

40078037355312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829371 (or 2829365 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 40078037355312 in words is "forty trillion, seventy-eight billion, thirty-seven million, three hundred fifty-five thousand, three hundred twelve".