510653240405 has 16 divisors (see below), whose sum is σ = 763990303104. Its totient is φ = 318329292480.

The previous prime is 510653240393. The next prime is 510653240407. The reversal of 510653240405 is 504042356015.

It is a de Polignac number, because none of the positive numbers 2^k-510653240405 is a prime.

It is a super-2 number, since 2×510653240405² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510653240407) 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, 663185642 + ... + 663186411.

It is an arithmetic number, because the mean of its divisors is an integer number (47749393944).

Almost surely, 2^510653240405 is an apocalyptic number.

510653240405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

510653240405 is a deficient number, since it is larger than the sum of its proper divisors (253337062699).

510653240405 is a wasteful number, since it uses less digits than its factorization.

510653240405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326372076.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 510653240405 in words is "five hundred ten billion, six hundred fifty-three million, two hundred forty thousand, four hundred five".