3661230040 has 32 divisors (see below), whose sum is σ = 8871443280. Its totient is φ = 1351838592.

The previous prime is 3661230029. The next prime is 3661230047. The reversal of 3661230040 is 400321663.

It is a junction number, because it is equal to n+sod(n) for n = 3661229987 and 3661230014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661230047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519894 + ... + 3520933.

Almost surely, 2^3661230040 is an apocalyptic number.

It is an amenable number.

3661230040 is an abundant number, since it is smaller than the sum of its proper divisors (5210213240).

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

3661230040 is a wasteful number, since it uses less digits than its factorization.

3661230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040851 (or 7040847 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3661230040 is about 60508.0989620398. The cubic root of 3661230040 is about 1541.2591658234.

The spelling of 3661230040 in words is "three billion, six hundred sixty-one million, two hundred thirty thousand, forty".