37810781340 has 48 divisors (see below), whose sum is σ = 107450351232. Its totient is φ = 9932383296.

The previous prime is 37810781329. The next prime is 37810781341. The reversal of 37810781340 is 4318701873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 37810781292 and 37810781301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37810781341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4698814 + ... + 4706853.

It is an arithmetic number, because the mean of its divisors is an integer number (2238548984).

Almost surely, 2^37810781340 is an apocalyptic number.

37810781340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37810781340 is an abundant number, since it is smaller than the sum of its proper divisors (69639569892).

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

37810781340 is a wasteful number, since it uses less digits than its factorization.

37810781340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405746 (or 9405744 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 37810781340 in words is "thirty-seven billion, eight hundred ten million, seven hundred eighty-one thousand, three hundred forty".