40393080 has 320 divisors, whose sum is σ = 168315840. Its totient is φ = 8460288.

The previous prime is 40393079. The next prime is 40393099. The reversal of 40393080 is 8039304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 294772 + ... + 294908.

It is an arithmetic number, because the mean of its divisors is an integer number (525987).

Almost surely, 2^40393080 is an apocalyptic number.

40393080 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 40393080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84157920).

40393080 is an abundant number, since it is smaller than the sum of its proper divisors (127922760).

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

40393080 is a wasteful number, since it uses less digits than its factorization.

40393080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40393080 is about 6355.5550505050. Note that the first 3 decimals coincide. The cubic root of 40393080 is about 343.1118018752. Note that the first 3 decimals are identical.

The spelling of 40393080 in words is "forty million, three hundred ninety-three thousand, eighty".