2250165402 has 48 divisors (see below), whose sum is σ = 5153616000. Its totient is φ = 707579712.

The previous prime is 2250165367. The next prime is 2250165409. The reversal of 2250165402 is 2045610522.

2250165402 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 1 + 654 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2250165409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67974 + ... + 95502.

It is an arithmetic number, because the mean of its divisors is an integer number (107367000).

Almost surely, 2^2250165402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2250165402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576808000).

2250165402 is an abundant number, since it is smaller than the sum of its proper divisors (2903450598).

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

2250165402 is a wasteful number, since it uses less digits than its factorization.

2250165402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27795 (or 27792 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2250165402 is about 47435.9083606502. The cubic root of 2250165402 is about 1310.4028056412.

Adding to 2250165402 its reverse (2045610522), we get a palindrome (4295775924).

The spelling of 2250165402 in words is "two billion, two hundred fifty million, one hundred sixty-five thousand, four hundred two".