10133203440 has 40 divisors (see below), whose sum is σ = 31412931408. Its totient is φ = 2702187520.

The previous prime is 10133203433. The next prime is 10133203441. The reversal of 10133203440 is 4430233101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133203441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21110601 + ... + 21111080.

Almost surely, 2^10133203440 is an apocalyptic number.

10133203440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10133203440 is an abundant number, since it is smaller than the sum of its proper divisors (21279727968).

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

10133203440 is a wasteful number, since it uses less digits than its factorization.

10133203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42221697 (or 42221691 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10133203440 its reverse (4430233101), we get a palindrome (14563436541).

The spelling of 10133203440 in words is "ten billion, one hundred thirty-three million, two hundred three thousand, four hundred forty".