1514040240 has 40 divisors (see below), whose sum is σ = 4693525488. Its totient is φ = 403744000.

The previous prime is 1514040233. The next prime is 1514040271. The reversal of 1514040240 is 420404151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3154011 + ... + 3154490.

Almost surely, 2^1514040240 is an apocalyptic number.

1514040240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1514040240 is an abundant number, since it is smaller than the sum of its proper divisors (3179485248).

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

1514040240 is a wasteful number, since it uses less digits than its factorization.

1514040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308517 (or 6308511 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1514040240 is about 38910.6700019416. The cubic root of 1514040240 is about 1148.2747261422.

Adding to 1514040240 its reverse (420404151), we get a palindrome (1934444391).

The spelling of 1514040240 in words is "one billion, five hundred fourteen million, forty thousand, two hundred forty".