32061240 has 192 divisors, whose sum is σ = 112039200. Its totient is φ = 7934976.

The previous prime is 32061233. The next prime is 32061247. The reversal of 32061240 is 4216023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (32061233) and next prime (32061247).

It is a super-2 number, since 2×32061240² = 2055846220675200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32061247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386239 + ... + 386321.

Almost surely, 2^32061240 is an apocalyptic number.

32061240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56019600).

32061240 is an abundant number, since it is smaller than the sum of its proper divisors (79977960).

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

32061240 is a wasteful number, since it uses less digits than its factorization.

32061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 32061240 is about 5662.2645646420. The cubic root of 32061240 is about 317.6826072537.

Adding to 32061240 its reverse (4216023), we get a palindrome (36277263).

The spelling of 32061240 in words is "thirty-two million, sixty-one thousand, two hundred forty".