40545774 has 24 divisors (see below), whose sum is σ = 87976512. Its totient is φ = 13495680.

The previous prime is 40545767. The next prime is 40545823. The reversal of 40545774 is 47754504.

40545774 is a `hidden beast` number, since 40 + 545 + 7 + 74 = 666.

It is a plaindrome in base 16.

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, 16702 + ... + 18974.

It is an arithmetic number, because the mean of its divisors is an integer number (3665688).

Almost surely, 2^40545774 is an apocalyptic number.

40545774 is an abundant number, since it is smaller than the sum of its proper divisors (47430738).

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

40545774 is a wasteful number, since it uses less digits than its factorization.

40545774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 40545774 is about 6367.5563601746. The cubic root of 40545774 is about 343.5436022021.

The spelling of 40545774 in words is "forty million, five hundred forty-five thousand, seven hundred seventy-four".