1533441940 has 12 divisors (see below), whose sum is σ = 3220228116. Its totient is φ = 613376768.

The previous prime is 1533441887. The next prime is 1533441953. The reversal of 1533441940 is 491443351.

It can be written as a sum of positive squares in 2 ways, for example, as 366263044 + 1167178896 = 19138^2 + 34164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1533441896 and 1533441905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38336029 + ... + 38336068.

It is an arithmetic number, because the mean of its divisors is an integer number (268352343).

Almost surely, 2^1533441940 is an apocalyptic number.

1533441940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1533441940 is an abundant number, since it is smaller than the sum of its proper divisors (1686786176).

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

1533441940 is a wasteful number, since it uses less digits than its factorization.

1533441940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76672106 (or 76672104 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1533441940 is about 39159.1871723610. The cubic root of 1533441940 is about 1153.1587862937.

The spelling of 1533441940 in words is "one billion, five hundred thirty-three million, four hundred forty-one thousand, nine hundred forty".