40040016631072 has 48 divisors (see below), whose sum is σ = 81372514712832. Its totient is φ = 19373994927360.

The previous prime is 40040016631067. The next prime is 40040016631091. The reversal of 40040016631072 is 27013661004004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136683223 + ... + 136975849.

It is an arithmetic number, because the mean of its divisors is an integer number (1695260723184).

Almost surely, 2^{40040016631072} is an apocalyptic number.

It is an amenable number.

40040016631072 is an abundant number, since it is smaller than the sum of its proper divisors (41332498081760).

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

40040016631072 is a wasteful number, since it uses less digits than its factorization.

40040016631072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430601 (or 430593 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 40040016631072 its reverse (27013661004004), we get a palindrome (67053677635076).

The spelling of 40040016631072 in words is "forty trillion, forty billion, sixteen million, six hundred thirty-one thousand, seventy-two".