1403324040 has 64 divisors (see below), whose sum is σ = 4431556800. Its totient is φ = 354523392.

The previous prime is 1403324029. The next prime is 1403324057. The reversal of 1403324040 is 404233041.

It is a super-2 number, since 2×1403324040² = 3938636722483843200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1403323998 and 1403324016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305467 + ... + 310026.

It is an arithmetic number, because the mean of its divisors is an integer number (69243075).

Almost surely, 2^1403324040 is an apocalyptic number.

1403324040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403324040 is an abundant number, since it is smaller than the sum of its proper divisors (3028232760).

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

1403324040 is a wasteful number, since it uses less digits than its factorization.

1403324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615526 (or 615522 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1403324040 is about 37460.9668855463. The cubic root of 1403324040 is about 1119.5736153318.

Adding to 1403324040 its reverse (404233041), we get a palindrome (1807557081).

Subtracting from 1403324040 its reverse (404233041), we obtain a palindrome (999090999).

The spelling of 1403324040 in words is "one billion, four hundred three million, three hundred twenty-four thousand, forty".