40718574 has 48 divisors (see below), whose sum is σ = 97598592. Its totient is φ = 12187584.

The previous prime is 40718551. The next prime is 40718603. The reversal of 40718574 is 47581704.

40718574 is a `hidden beast` number, since 407 + 185 + 74 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6307 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^40718574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40718574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48799296).

40718574 is an abundant number, since it is smaller than the sum of its proper divisors (56880018).

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

40718574 is a wasteful number, since it uses less digits than its factorization.

40718574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 40718574 is about 6381.1107183624. The cubic root of 40718574 is about 344.0309542634.

It can be divided in two parts, 407 and 18574, that added together give a palindrome (18981).

The spelling of 40718574 in words is "forty million, seven hundred eighteen thousand, five hundred seventy-four".