40686300 has 90 divisors (see below), whose sum is σ = 131915168. Its totient is φ = 10847520.

The previous prime is 40686293. The next prime is 40686301. The reversal of 40686300 is 368604.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40686301) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5589 + ... + 10611.

Almost surely, 2^40686300 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 40686300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65957584).

40686300 is an abundant number, since it is smaller than the sum of its proper divisors (91228868).

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

40686300 is a wasteful number, since it uses less digits than its factorization.

40686300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5033 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40686300 is about 6378.5813469768. The cubic root of 40686300 is about 343.9400359695.

The spelling of 40686300 in words is "forty million, six hundred eighty-six thousand, three hundred".