2251215442030 has 32 divisors (see below), whose sum is σ = 4082384707200. Its totient is φ = 893784645120.

The previous prime is 2251215442009. The next prime is 2251215442031. The reversal of 2251215442030 is 302445121522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2251215441983 and 2251215442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251215442031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472827 + ... + 2582953.

It is an arithmetic number, because the mean of its divisors is an integer number (127574522100).

Almost surely, 2^{2251215442030} is an apocalyptic number.

2251215442030 is a deficient number, since it is larger than the sum of its proper divisors (1831169265170).

2251215442030 is a wasteful number, since it uses less digits than its factorization.

2251215442030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111644.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 2251215442030 in words is "two trillion, two hundred fifty-one billion, two hundred fifteen million, four hundred forty-two thousand, thirty".