14999999940 has 36 divisors (see below), whose sum is σ = 45500000364. Its totient is φ = 3999999936.

The previous prime is 14999999891. The next prime is 14999999969. The reversal of 14999999940 is 4999999941.

14999999940 is a `hidden beast` number, since 1 + 499 + 9 + 9 + 9 + 99 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1960187076 + 13039812864 = 44274^2 + 114192^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41666487 + ... + 41666846.

It is an arithmetic number, because the mean of its divisors is an integer number (1263888899).

Almost surely, 2^14999999940 is an apocalyptic number.

14999999940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14999999940 is an abundant number, since it is smaller than the sum of its proper divisors (30500000424).

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

14999999940 is a wasteful number, since it uses less digits than its factorization.

14999999940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83333348 (or 83333343 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 72.

Subtracting from 14999999940 its reverse (4999999941), we obtain a palindrome (9999999999).

The spelling of 14999999940 in words is "fourteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty".