3561365456 has 20 divisors (see below), whose sum is σ = 7527431904. Its totient is φ = 1618802400.

The previous prime is 3561365449. The next prime is 3561365459. The reversal of 3561365456 is 6545631653.

It is a super-2 number, since 2×3561365456² = 25366647822380175872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561365459) 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, 10117340 + ... + 10117691.

Almost surely, 2^3561365456 is an apocalyptic number.

It is an amenable number.

3561365456 is an abundant number, since it is smaller than the sum of its proper divisors (3966066448).

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

3561365456 is a wasteful number, since it uses less digits than its factorization.

3561365456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235050 (or 20235044 counting only the distinct ones).

The product of its digits is 972000, while the sum is 44.

The square root of 3561365456 is about 59677.1770109813. The cubic root of 3561365456 is about 1527.1165388120.

The spelling of 3561365456 in words is "three billion, five hundred sixty-one million, three hundred sixty-five thousand, four hundred fifty-six".