551402050320 has 240 divisors, whose sum is σ = 2094957289152. Its totient is φ = 133673172480.

The previous prime is 551402050313. The next prime is 551402050321. The reversal of 551402050320 is 23050204155.

It is a happy number.

551402050320 is a `hidden beast` number, since 551 + 40 + 2 + 0 + 50 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (551402050321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1075447 + ... + 1503126.

Almost surely, 2^551402050320 is an apocalyptic number.

It is an amenable number.

551402050320 is an abundant number, since it is smaller than the sum of its proper divisors (1543555238832).

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

551402050320 is a wasteful number, since it uses less digits than its factorization.

551402050320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578612 (or 2578594 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 551402050320 its reverse (23050204155), we get a palindrome (574452254475).

The spelling of 551402050320 in words is "five hundred fifty-one billion, four hundred two million, fifty thousand, three hundred twenty".