40840200684 has 36 divisors (see below), whose sum is σ = 103252673160. Its totient is φ = 13611063360.

The previous prime is 40840200679. The next prime is 40840200689. The reversal of 40840200684 is 48600204804.

40840200684 is a `hidden beast` number, since 408 + 40 + 200 + 6 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (40840200679) and next prime (40840200689).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (40840200689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122032 + ... + 310760.

It is an arithmetic number, because the mean of its divisors is an integer number (2868129810).

Almost surely, 2^40840200684 is an apocalyptic number.

It is an amenable number.

40840200684 is an abundant number, since it is smaller than the sum of its proper divisors (62412472476).

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

40840200684 is a wasteful number, since it uses less digits than its factorization.

40840200684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194750 (or 194745 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 40840200684 in words is "forty billion, eight hundred forty million, two hundred thousand, six hundred eighty-four".