1403076540 has 24 divisors (see below), whose sum is σ = 3928614480. Its totient is φ = 374153728.

The previous prime is 1403076503. The next prime is 1403076583. The reversal of 1403076540 is 456703041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1403076498 and 1403076507.

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, 11692245 + ... + 11692364.

It is an arithmetic number, because the mean of its divisors is an integer number (163692270).

Almost surely, 2^1403076540 is an apocalyptic number.

1403076540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403076540 is an abundant number, since it is smaller than the sum of its proper divisors (2525537940).

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

1403076540 is a wasteful number, since it uses less digits than its factorization.

1403076540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23384621 (or 23384619 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1403076540 is about 37457.6633013860. The cubic root of 1403076540 is about 1119.5077928622.

Adding to 1403076540 its reverse (456703041), we get a palindrome (1859779581).

The spelling of 1403076540 in words is "one billion, four hundred three million, seventy-six thousand, five hundred forty".