1499540814 has 24 divisors (see below), whose sum is σ = 3304075320. Its totient is φ = 491374608.

The previous prime is 1499540813. The next prime is 1499540837. The reversal of 1499540814 is 4180459941.

It is a happy number.

1499540814 is a `hidden beast` number, since 1 + 4 + 99 + 540 + 8 + 14 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1499540814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499540813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704937 + ... + 707060.

It is an arithmetic number, because the mean of its divisors is an integer number (137669805).

Almost surely, 2^1499540814 is an apocalyptic number.

1499540814 is an abundant number, since it is smaller than the sum of its proper divisors (1804534506).

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

1499540814 is a wasteful number, since it uses less digits than its factorization.

1499540814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412064 (or 1412061 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1499540814 is about 38723.9049425545. The cubic root of 1499540814 is about 1144.5974224644.

The spelling of 1499540814 in words is "one billion, four hundred ninety-nine million, five hundred forty thousand, eight hundred fourteen".