40325918 has 4 divisors (see below), whose sum is σ = 60488880. Its totient is φ = 20162958.

The previous prime is 40325897. The next prime is 40325927. The reversal of 40325918 is 81952304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081478 + ... + 10081481.

It is an arithmetic number, because the mean of its divisors is an integer number (15122220).

Almost surely, 2^40325918 is an apocalyptic number.

40325918 is a deficient number, since it is larger than the sum of its proper divisors (20162962).

40325918 is a wasteful number, since it uses less digits than its factorization.

40325918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20162961.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 40325918 is about 6350.2691281551. The cubic root of 40325918 is about 342.9215311777.

The spelling of 40325918 in words is "forty million, three hundred twenty-five thousand, nine hundred eighteen".