37221599040 has 224 divisors, whose sum is σ = 121304304000. Its totient is φ = 9666404352.

The previous prime is 37221599021. The next prime is 37221599101. The reversal of 37221599040 is 4099512273.

It is a Cunningham number, because it is equal to 192929²-1.

It is a junction number, because it is equal to n+sod(n) for n = 37221598983 and 37221599001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6170746 + ... + 6176774.

Almost surely, 2^37221599040 is an apocalyptic number.

37221599040 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 37221599040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60652152000).

37221599040 is an abundant number, since it is smaller than the sum of its proper divisors (84082704960).

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

37221599040 is a wasteful number, since it uses less digits than its factorization.

37221599040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 37221599040 in words is "thirty-seven billion, two hundred twenty-one million, five hundred ninety-nine thousand, forty".