40040042033145 has 128 divisors (see below), whose sum is σ = 84614729379840. Its totient is φ = 15652991508480.

The previous prime is 40040042033119. The next prime is 40040042033171. The reversal of 40040042033145 is 54133024004004.

It is an interprime number because it is at equal distance from previous prime (40040042033119) and next prime (40040042033171).

It is not a de Polignac number, because 40040042033145 - 2⁹ = 40040042032633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37028766 + ... + 38094744.

It is an arithmetic number, because the mean of its divisors is an integer number (661052573280).

Almost surely, 2^{40040042033145} is an apocalyptic number.

It is an amenable number.

40040042033145 is an abundant number, since it is smaller than the sum of its proper divisors (44574687346695).

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

40040042033145 is a wasteful number, since it uses less digits than its factorization.

40040042033145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067935.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 40040042033145 its reverse (54133024004004), we get a palindrome (94173066037149).

The spelling of 40040042033145 in words is "forty trillion, forty billion, forty-two million, thirty-three thousand, one hundred forty-five".