40304506 has 16 divisors (see below), whose sum is σ = 66120768. Its totient is φ = 18273600.

The previous prime is 40304503. The next prime is 40304527. The reversal of 40304506 is 60540304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40304503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411 + ... + 11641.

It is an arithmetic number, because the mean of its divisors is an integer number (4132548).

Almost surely, 2^40304506 is an apocalyptic number.

40304506 is a deficient number, since it is larger than the sum of its proper divisors (25816262).

40304506 is a wasteful number, since it uses less digits than its factorization.

40304506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40304506 is about 6348.5829915029. The cubic root of 40304506 is about 342.8608263328.

The spelling of 40304506 in words is "forty million, three hundred four thousand, five hundred six".