37218871440 has 480 divisors, whose sum is σ = 135565073280. Its totient is φ = 9477844992.

The previous prime is 37218871427. The next prime is 37218871451. The reversal of 37218871440 is 4417881273.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60322012 + ... + 60322628.

It is an arithmetic number, because the mean of its divisors is an integer number (282427236).

Almost surely, 2^37218871440 is an apocalyptic number.

37218871440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37218871440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67782536640).

37218871440 is an abundant number, since it is smaller than the sum of its proper divisors (98346201840).

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

37218871440 is a wasteful number, since it uses less digits than its factorization.

37218871440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 37218871440 in words is "thirty-seven billion, two hundred eighteen million, eight hundred seventy-one thousand, four hundred forty".