32340432540 has 96 divisors (see below), whose sum is σ = 97559755776. Its totient is φ = 7957382400.

The previous prime is 32340432499. The next prime is 32340432547. The reversal of 32340432540 is 4523404323.

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 = 32340432498 and 32340432507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32340432547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2216509 + ... + 2231051.

It is an arithmetic number, because the mean of its divisors is an integer number (1016247456).

Almost surely, 2^32340432540 is an apocalyptic number.

32340432540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32340432540 is an abundant number, since it is smaller than the sum of its proper divisors (65219323236).

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

32340432540 is a wasteful number, since it uses less digits than its factorization.

32340432540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17419 (or 17417 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 32340432540 its reverse (4523404323), we get a palindrome (36863836863).

The spelling of 32340432540 in words is "thirty-two billion, three hundred forty million, four hundred thirty-two thousand, five hundred forty".