40366620 has 192 divisors, whose sum is σ = 146764800. Its totient is φ = 9020160.

The previous prime is 40366607. The next prime is 40366643. The reversal of 40366620 is 2666304.

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

It is a congruent number.

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, 222930 + ... + 223110.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^40366620 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 40366620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73382400).

40366620 is an abundant number, since it is smaller than the sum of its proper divisors (106398180).

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

40366620 is a wasteful number, since it uses less digits than its factorization.

40366620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40366620 is about 6353.4730659695. The cubic root of 40366620 is about 343.0368655959.

The spelling of 40366620 in words is "forty million, three hundred sixty-six thousand, six hundred twenty".