1532040040 has 16 divisors (see below), whose sum is σ = 3447090180. Its totient is φ = 612816000.

The previous prime is 1532040031. The next prime is 1532040049. The reversal of 1532040040 is 400402351.

It is an interprime number because it is at equal distance from previous prime (1532040031) and next prime (1532040049).

It can be written as a sum of positive squares in 2 ways, for example, as 1507458276 + 24581764 = 38826^2 + 4958^2 .

It is not an unprimeable number, because it can be changed into a prime (1532040049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19150461 + ... + 19150540.

Almost surely, 2^1532040040 is an apocalyptic number.

1532040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532040040 is an abundant number, since it is smaller than the sum of its proper divisors (1915050140).

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

1532040040 is a wasteful number, since it uses less digits than its factorization.

1532040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38301012 (or 38301008 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1532040040 is about 39141.2830653263. The cubic root of 1532040040 is about 1152.8072663663.

Adding to 1532040040 its reverse (400402351), we get a palindrome (1932442391).

The spelling of 1532040040 in words is "one billion, five hundred thirty-two million, forty thousand, forty".