1532440030 has 32 divisors (see below), whose sum is σ = 3010981248. Its totient is φ = 556912800.

The previous prime is 1532440009. The next prime is 1532440033. The reversal of 1532440030 is 300442351.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1532439983 and 1532440010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532440033) 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, 243625 + ... + 249835.

It is an arithmetic number, because the mean of its divisors is an integer number (94093164).

Almost surely, 2^1532440030 is an apocalyptic number.

1532440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1532440030 is a deficient number, since it is larger than the sum of its proper divisors (1478541218).

1532440030 is a wasteful number, since it uses less digits than its factorization.

1532440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1532440030 is about 39146.3922986525. The cubic root of 1532440030 is about 1152.9075838608.

Adding to 1532440030 its reverse (300442351), we get a palindrome (1832882381).

The spelling of 1532440030 in words is "one billion, five hundred thirty-two million, four hundred forty thousand, thirty".