37284378642 has 96 divisors (see below), whose sum is σ = 98775880320. Its totient is φ = 9926530560.

The previous prime is 37284378611. The next prime is 37284378647. The reversal of 37284378642 is 24687348273.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (37284378647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18378 + ... + 273690.

It is an arithmetic number, because the mean of its divisors is an integer number (1028915420).

Almost surely, 2^37284378642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37284378642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49387940160).

37284378642 is an abundant number, since it is smaller than the sum of its proper divisors (61491501678).

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

37284378642 is a wasteful number, since it uses less digits than its factorization.

37284378642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255408 (or 255405 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 37284378642 in words is "thirty-seven billion, two hundred eighty-four million, three hundred seventy-eight thousand, six hundred forty-two".