11403133402440 has 64 divisors (see below), whose sum is σ = 36840892536000. Its totient is φ = 2806925144832.

The previous prime is 11403133402321. The next prime is 11403133402447. The reversal of 11403133402440 is 4420433130411.

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 = 11403133402398 and 11403133402407.

It is not an unprimeable number, because it can be changed into a prime (11403133402447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654848890 + ... + 3654852009.

It is an arithmetic number, because the mean of its divisors is an integer number (575638945875).

Almost surely, 2^{11403133402440} is an apocalyptic number.

11403133402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403133402440 is an abundant number, since it is smaller than the sum of its proper divisors (25437759133560).

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

11403133402440 is a wasteful number, since it uses less digits than its factorization.

11403133402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309700926 (or 7309700922 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 11403133402440 its reverse (4420433130411), we get a palindrome (15823566532851).

The spelling of 11403133402440 in words is "eleven trillion, four hundred three billion, one hundred thirty-three million, four hundred two thousand, four hundred forty".