40144401665214 has 64 divisors (see below), whose sum is σ = 101796941998080. Its totient is φ = 10250386506720.

The previous prime is 40144401665183. The next prime is 40144401665239. The reversal of 40144401665214 is 41256610444104.

It is a super-2 number, since 2×40144401665214² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 736351084 + ... + 736405599.

It is an arithmetic number, because the mean of its divisors is an integer number (1590577218720).

Almost surely, 2^{40144401665214} is an apocalyptic number.

40144401665214 is an abundant number, since it is smaller than the sum of its proper divisors (61652540332866).

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

40144401665214 is a wasteful number, since it uses less digits than its factorization.

40144401665214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472756765.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 40144401665214 in words is "forty trillion, one hundred forty-four billion, four hundred one million, six hundred sixty-five thousand, two hundred fourteen".