40208974 has 8 divisors (see below), whose sum is σ = 64953000. Its totient is φ = 18557976.

The previous prime is 40208963. The next prime is 40208977. The reversal of 40208974 is 47980204.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208977) 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, 773224 + ... + 773275.

It is an arithmetic number, because the mean of its divisors is an integer number (8119125).

Almost surely, 2^40208974 is an apocalyptic number.

40208974 is a deficient number, since it is larger than the sum of its proper divisors (24744026).

40208974 is a wasteful number, since it uses less digits than its factorization.

40208974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546514.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40208974 is about 6341.0546441424. The cubic root of 40208974 is about 342.5897227065.

The spelling of 40208974 in words is "forty million, two hundred eight thousand, nine hundred seventy-four".