2265403740 has 144 divisors (see below), whose sum is σ = 6636258720. Its totient is φ = 577344000.

The previous prime is 2265403691. The next prime is 2265403741. The reversal of 2265403740 is 473045622.

It is a super-3 number, since 3×2265403740³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265403741) 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, 5823466 + ... + 5823854.

It is an arithmetic number, because the mean of its divisors is an integer number (46085130).

Almost surely, 2^2265403740 is an apocalyptic number.

2265403740 is a gapful number since it is divisible by the number (20) 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 2265403740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318129360).

2265403740 is an abundant number, since it is smaller than the sum of its proper divisors (4370854980).

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

2265403740 is a wasteful number, since it uses less digits than its factorization.

2265403740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 2265403740 is about 47596.2576259941. The cubic root of 2265403740 is about 1313.3542114632.

The spelling of 2265403740 in words is "two billion, two hundred sixty-five million, four hundred three thousand, seven hundred forty".