10215340450 has 24 divisors (see below), whose sum is σ = 21714895872. Its totient is φ = 3502402320.

The previous prime is 10215340427. The next prime is 10215340501. The reversal of 10215340450 is 5404351201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14592994 + ... + 14593693.

It is an arithmetic number, because the mean of its divisors is an integer number (904787328).

Almost surely, 2^10215340450 is an apocalyptic number.

10215340450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10215340450 is an abundant number, since it is smaller than the sum of its proper divisors (11499555422).

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

10215340450 is a wasteful number, since it uses less digits than its factorization.

10215340450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29186706 (or 29186701 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 10215340450 its reverse (5404351201), we get a palindrome (15619691651).

The spelling of 10215340450 in words is "ten billion, two hundred fifteen million, three hundred forty thousand, four hundred fifty".