40093980 has 72 divisors (see below), whose sum is σ = 114803472. Its totient is φ = 10454016.

The previous prime is 40093967. The next prime is 40093993. The reversal of 40093980 is 8939004.

It is an interprime number because it is at equal distance from previous prime (40093967) and next prime (40093993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413292 + ... + 413388.

Almost surely, 2^40093980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40093980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57401736).

40093980 is an abundant number, since it is smaller than the sum of its proper divisors (74709492).

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

40093980 is a wasteful number, since it uses less digits than its factorization.

40093980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 40093980 is about 6331.9807327565. The cubic root of 40093980 is about 342.2628190784.

The spelling of 40093980 in words is "forty million, ninety-three thousand, nine hundred eighty".