14000807540 has 24 divisors (see below), whose sum is σ = 29956447080. Its totient is φ = 5494656128.

The previous prime is 14000807539. The next prime is 14000807591. The reversal of 14000807540 is 4570800041.

It can be written as a sum of positive squares in 4 ways, for example, as 1189284196 + 12811523344 = 34486^2 + 113188^2 .

It is a super-2 number, since 2×14000807540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6603095 + ... + 6605214.

It is an arithmetic number, because the mean of its divisors is an integer number (1248185295).

Almost surely, 2^14000807540 is an apocalyptic number.

14000807540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14000807540 is an abundant number, since it is smaller than the sum of its proper divisors (15955639540).

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

14000807540 is a wasteful number, since it uses less digits than its factorization.

14000807540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208371 (or 13208369 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The spelling of 14000807540 in words is "fourteen billion, eight hundred seven thousand, five hundred forty".