40550464 has 28 divisors (see below), whose sum is σ = 81838800. Its totient is φ = 19929728.

The previous prime is 40550453. The next prime is 40550473. The reversal of 40550464 is 46405504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594 + ... + 9145.

Almost surely, 2^40550464 is an apocalyptic number.

It is an amenable number.

40550464 is an abundant number, since it is smaller than the sum of its proper divisors (41288336).

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

40550464 is a wasteful number, since it uses less digits than its factorization.

40550464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810 (or 10800 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40550464 is about 6367.9246226695. The cubic root of 40550464 is about 343.5568477861.

Adding to 40550464 its reverse (46405504), we get a palindrome (86955968).

It can be divided in two parts, 40550 and 464, that added together give a palindrome (41014).

The spelling of 40550464 in words is "forty million, five hundred fifty thousand, four hundred sixty-four".