40786450 has 12 divisors (see below), whose sum is σ = 75862890. Its totient is φ = 16314560.

The previous prime is 40786433. The next prime is 40786481. The reversal of 40786450 is 5468704.

It can be written as a sum of positive squares in 3 ways, for example, as 15515721 + 25270729 = 3939^2 + 5027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407815 + ... + 407914.

Almost surely, 2^40786450 is an apocalyptic number.

40786450 is a deficient number, since it is larger than the sum of its proper divisors (35076440).

40786450 is a wasteful number, since it uses less digits than its factorization.

40786450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815741 (or 815736 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40786450 is about 6386.4270135969. The cubic root of 40786450 is about 344.2220094298. Note that the first 3 decimals are identical.

The spelling of 40786450 in words is "forty million, seven hundred eighty-six thousand, four hundred fifty".