40693860 has 96 divisors (see below), whose sum is σ = 127612800. Its totient is φ = 10765440.

The previous prime is 40693859. The next prime is 40693879. The reversal of 40693860 is 6839604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96450 + ... + 96870.

It is an arithmetic number, because the mean of its divisors is an integer number (1329300).

Almost surely, 2^40693860 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 40693860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63806400).

40693860 is an abundant number, since it is smaller than the sum of its proper divisors (86918940).

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

40693860 is a wasteful number, since it uses less digits than its factorization.

40693860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40693860 is about 6379.1739277120. The cubic root of 40693860 is about 343.9613373711.

The spelling of 40693860 in words is "forty million, six hundred ninety-three thousand, eight hundred sixty".