40918974 has 8 divisors (see below), whose sum is σ = 81837960. Its totient is φ = 13639656.

The previous prime is 40918973. The next prime is 40918981. The reversal of 40918974 is 47981904.

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

40918974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40918973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409909 + ... + 3409920.

It is an arithmetic number, because the mean of its divisors is an integer number (10229745).

Almost surely, 2^40918974 is an apocalyptic number.

40918974 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.

40918974 is a wasteful number, since it uses less digits than its factorization.

40918974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819834.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 40918974 is about 6396.7940407676. The cubic root of 40918974 is about 344.5944236289.

The spelling of 40918974 in words is "forty million, nine hundred eighteen thousand, nine hundred seventy-four".