40374185620 has 12 divisors (see below), whose sum is σ = 84785789844. Its totient is φ = 16149674240.

The previous prime is 40374185591. The next prime is 40374185681. The reversal of 40374185620 is 2658147304.

It can be written as a sum of positive squares in 2 ways, for example, as 12759057936 + 27615127684 = 112956^2 + 166178^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009354621 + ... + 1009354660.

It is an arithmetic number, because the mean of its divisors is an integer number (7065482487).

Almost surely, 2^40374185620 is an apocalyptic number.

It is an amenable number.

40374185620 is an abundant number, since it is smaller than the sum of its proper divisors (44411604224).

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

40374185620 is a wasteful number, since it uses less digits than its factorization.

40374185620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018709290 (or 2018709288 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 40374185620 in words is "forty billion, three hundred seventy-four million, one hundred eighty-five thousand, six hundred twenty".