40993673280 has 448 divisors, whose sum is σ = 152109342720. Its totient is φ = 9160704000.

The previous prime is 40993673207. The next prime is 40993673293. The reversal of 40993673280 is 8237639904.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72044836 + ... + 72045404.

Almost surely, 2^40993673280 is an apocalyptic number.

40993673280 is a gapful number since it is divisible by the number (40) 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 40993673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76054671360).

40993673280 is an abundant number, since it is smaller than the sum of its proper divisors (111115669440).

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

40993673280 is a wasteful number, since it uses less digits than its factorization.

40993673280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 40993673280 in words is "forty billion, nine hundred ninety-three million, six hundred seventy-three thousand, two hundred eighty".