1533122340240 has 40 divisors (see below), whose sum is σ = 4752679255488. Its totient is φ = 408832624000.

The previous prime is 1533122340221. The next prime is 1533122340271. The reversal of 1533122340240 is 420432213351.

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

It is a super-2 number, since 2×1533122340240² (a number of 25 digits) contains 22 as substring.

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 = 1533122340198 and 1533122340207.

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, 3194004636 + ... + 3194005115.

Almost surely, 2^{1533122340240} is an apocalyptic number.

1533122340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1533122340240 is an abundant number, since it is smaller than the sum of its proper divisors (3219556915248).

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

1533122340240 is a wasteful number, since it uses less digits than its factorization.

1533122340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388009767 (or 6388009761 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1533122340240 its reverse (420432213351), we get a palindrome (1953554553591).

The spelling of 1533122340240 in words is "one trillion, five hundred thirty-three billion, one hundred twenty-two million, three hundred forty thousand, two hundred forty".