51002245400 has 48 divisors (see below), whose sum is σ = 118618977840. Its totient is φ = 20394230400.

The previous prime is 51002245373. The next prime is 51002245417. The reversal of 51002245400 is 454220015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596117 + ... + 676283.

It is an arithmetic number, because the mean of its divisors is an integer number (2471228705).

Almost surely, 2^51002245400 is an apocalyptic number.

51002245400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51002245400 is an abundant number, since it is smaller than the sum of its proper divisors (67616732440).

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

51002245400 is a wasteful number, since it uses less digits than its factorization.

51002245400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83364 (or 83355 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 51002245400 its reverse (454220015), we get a palindrome (51456465415).

The spelling of 51002245400 in words is "fifty-one billion, two million, two hundred forty-five thousand, four hundred".