40865430141738 has 128 divisors (see below), whose sum is σ = 92530605312000. Its totient is φ = 13364951080320.

The previous prime is 40865430141713. The next prime is 40865430141763. The reversal of 40865430141738 is 83714103456804.

40865430141738 is a `hidden beast` number, since 4 + 0 + 8 + 65 + 430 + 141 + 7 + 3 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (40865430141713) and next prime (40865430141763).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4296644403 + ... + 4296653913.

It is an arithmetic number, because the mean of its divisors is an integer number (722895354000).

Almost surely, 2^{40865430141738} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40865430141738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46265302656000).

40865430141738 is an abundant number, since it is smaller than the sum of its proper divisors (51665175170262).

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

40865430141738 is a wasteful number, since it uses less digits than its factorization.

40865430141738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 40865430141738 in words is "forty trillion, eight hundred sixty-five billion, four hundred thirty million, one hundred forty-one thousand, seven hundred thirty-eight".