40308098687 has 16 divisors (see below), whose sum is σ = 41454581760. Its totient is φ = 39174090912.

The previous prime is 40308098617. The next prime is 40308098717. The reversal of 40308098687 is 78689080304.

It is a happy number.

It is not a de Polignac number, because 40308098687 - 2²⁰ = 40307050111 is a prime.

It is a super-2 number, since 2×40308098687² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40308098617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15849338 + ... + 15851880.

It is an arithmetic number, because the mean of its divisors is an integer number (2590911360).

Almost surely, 2^40308098687 is an apocalyptic number.

40308098687 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40308098687 is a deficient number, since it is larger than the sum of its proper divisors (1146483073).

40308098687 is a wasteful number, since it uses less digits than its factorization.

40308098687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 40308098687 in words is "forty billion, three hundred eight million, ninety-eight thousand, six hundred eighty-seven".