1002154344010 has 48 divisors (see below), whose sum is σ = 1916597168640. Its totient is φ = 377209360640.

The previous prime is 1002154344007. The next prime is 1002154344013. The reversal of 1002154344010 is 104434512001.

It is an interprime number because it is at equal distance from previous prime (1002154344007) and next prime (1002154344013).

It is a super-2 number, since 2×1002154344010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002154344013) 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, 16474431 + ... + 16535149.

It is an arithmetic number, because the mean of its divisors is an integer number (39929107680).

Almost surely, 2^{1002154344010} is an apocalyptic number.

1002154344010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002154344010 is a deficient number, since it is larger than the sum of its proper divisors (914442824630).

1002154344010 is a wasteful number, since it uses less digits than its factorization.

1002154344010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66471 (or 66454 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1002154344010 its reverse (104434512001), we get a palindrome (1106588856011).

The spelling of 1002154344010 in words is "one trillion, two billion, one hundred fifty-four million, three hundred forty-four thousand, ten".