505214025406 has 16 divisors (see below), whose sum is σ = 797026635648. Its totient is φ = 239845975200.

The previous prime is 505214025389. The next prime is 505214025409. The reversal of 505214025406 is 604520412505.

It is a super-2 number, since 2×505214025406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505214025409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76870425 + ... + 76876996.

It is an arithmetic number, because the mean of its divisors is an integer number (49814164728).

Almost surely, 2^505214025406 is an apocalyptic number.

505214025406 is a deficient number, since it is larger than the sum of its proper divisors (291812610242).

505214025406 is a wasteful number, since it uses less digits than its factorization.

505214025406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153747507.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 505214025406 in words is "five hundred five billion, two hundred fourteen million, twenty-five thousand, four hundred six".