510123540040000 has 140 divisors (see below), whose sum is σ = 1276762474525824. Its totient is φ = 202142410432000.

The previous prime is 510123540039989. The next prime is 510123540040063. The reversal of 510123540040000 is 40045321015.

It is a happy number.

It is a super-2 number, since 2×510123540040000² (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55313872 + ... + 63873871.

Almost surely, 2^{510123540040000} is an apocalyptic number.

510123540040000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

510123540040000 is an abundant number, since it is smaller than the sum of its proper divisors (766638934485824).

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

510123540040000 is a wasteful number, since it uses less digits than its factorization.

510123540040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119187882 (or 119187857 counting only the distinct ones).

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

Adding to 510123540040000 its reverse (40045321015), we get a palindrome (510163585361015).

The spelling of 510123540040000 in words is "five hundred ten trillion, one hundred twenty-three billion, five hundred forty million, forty thousand".