417940090 has 16 divisors (see below), whose sum is σ = 752592672. Its totient is φ = 167109264.

The previous prime is 417940073. The next prime is 417940157. The reversal of 417940090 is 90049714.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23857 + ... + 37483.

It is an arithmetic number, because the mean of its divisors is an integer number (47037042).

Almost surely, 2^417940090 is an apocalyptic number.

417940090 is a deficient number, since it is larger than the sum of its proper divisors (334652582).

417940090 is a wasteful number, since it uses less digits than its factorization.

417940090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 417940090 is about 20443.5831008167. The cubic root of 417940090 is about 747.6609139675.

The spelling of 417940090 in words is "four hundred seventeen million, nine hundred forty thousand, ninety".