40361687 has 6 divisors (see below), whose sum is σ = 41037984. Its totient is φ = 39696360.

The previous prime is 40361677. The next prime is 40361701. The reversal of 40361687 is 78616304.

It is not a de Polignac number, because 40361687 - 2⁶ = 40361623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1703 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (6839664).

Almost surely, 2^40361687 is an apocalyptic number.

40361687 is a deficient number, since it is larger than the sum of its proper divisors (676297).

40361687 is an equidigital number, since it uses as much as digits as its factorization.

40361687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969 (or 10908 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40361687 is about 6353.0848412405. The cubic root of 40361687 is about 343.0228914278.

The spelling of 40361687 in words is "forty million, three hundred sixty-one thousand, six hundred eighty-seven".