550400352326 has 64 divisors (see below), whose sum is σ = 959043240000. Its totient is φ = 234498539520.

The previous prime is 550400352319. The next prime is 550400352361. The reversal of 550400352326 is 623253004055.

It is a super-4 number, since 4×550400352326⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10573130 + ... + 10625058.

It is an arithmetic number, because the mean of its divisors is an integer number (14985050625).

Almost surely, 2^550400352326 is an apocalyptic number.

550400352326 is a deficient number, since it is larger than the sum of its proper divisors (408642887674).

550400352326 is a wasteful number, since it uses less digits than its factorization.

550400352326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52457.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 550400352326 in words is "five hundred fifty billion, four hundred million, three hundred fifty-two thousand, three hundred twenty-six".