40818774 has 8 divisors (see below), whose sum is σ = 81637560. Its totient is φ = 13606256.

The previous prime is 40818761. The next prime is 40818803. The reversal of 40818774 is 47781804.

It is a sphenic number, since it is the product of 3 distinct primes.

40818774 is an admirable number.

It is a super-3 number, since 3×40818774³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 3401559 + ... + 3401570.

It is an arithmetic number, because the mean of its divisors is an integer number (10204695).

Almost surely, 2^40818774 is an apocalyptic number.

40818774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40818774 is a wasteful number, since it uses less digits than its factorization.

40818774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803134.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 40818774 is about 6388.9571919054. The cubic root of 40818774 is about 344.3129194761.

The spelling of 40818774 in words is "forty million, eight hundred eighteen thousand, seven hundred seventy-four".