550994040 has 48 divisors (see below), whose sum is σ = 1790731800. Its totient is φ = 146931648.

The previous prime is 550994023. The next prime is 550994051. The reversal of 550994040 is 40499055.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 550993986 and 550994004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764910 + ... + 765629.

Almost surely, 2^550994040 is an apocalyptic number.

It is an amenable number.

550994040 is an abundant number, since it is smaller than the sum of its proper divisors (1239737760).

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

550994040 is a wasteful number, since it uses less digits than its factorization.

550994040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530556 (or 1530549 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 550994040 is about 23473.2622359995. The cubic root of 550994040 is about 819.8145723891.

The spelling of 550994040 in words is "five hundred fifty million, nine hundred ninety-four thousand, forty".