3612332440 has 64 divisors (see below), whose sum is σ = 8587584000. Its totient is φ = 1363754880.

The previous prime is 3612332401. The next prime is 3612332453. The reversal of 3612332440 is 442332163.

It is a junction number, because it is equal to n+sod(n) for n = 3612332399 and 3612332408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197191 + ... + 214729.

It is an arithmetic number, because the mean of its divisors is an integer number (134181000).

Almost surely, 2^3612332440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3612332440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4293792000).

3612332440 is an abundant number, since it is smaller than the sum of its proper divisors (4975251560).

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

3612332440 is a wasteful number, since it uses less digits than its factorization.

3612332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17840 (or 17836 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 3612332440 is about 60102.6824692542. The cubic root of 3612332440 is about 1534.3669563003.

The spelling of 3612332440 in words is "three billion, six hundred twelve million, three hundred thirty-two thousand, four hundred forty".