551204462146 has 32 divisors (see below), whose sum is σ = 913989117888. Its totient is φ = 247701706560.

The previous prime is 551204462143. The next prime is 551204462183. The reversal of 551204462146 is 641264402155.

It is a super-2 number, since 2×551204462146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551204462099 and 551204462108.

It is not an unprimeable number, because it can be changed into a prime (551204462143) 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, 423240 + ... + 1132051.

It is an arithmetic number, because the mean of its divisors is an integer number (28562159934).

Almost surely, 2^551204462146 is an apocalyptic number.

551204462146 is a deficient number, since it is larger than the sum of its proper divisors (362784655742).

551204462146 is a wasteful number, since it uses less digits than its factorization.

551204462146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555666.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 551204462146 in words is "five hundred fifty-one billion, two hundred four million, four hundred sixty-two thousand, one hundred forty-six".