40305246 has 32 divisors (see below), whose sum is σ = 85010688. Its totient is φ = 12714240.

The previous prime is 40305241. The next prime is 40305253. The reversal of 40305246 is 64250304.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11881 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (2656584).

Almost surely, 2^40305246 is an apocalyptic number.

40305246 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40305246 is an abundant number, since it is smaller than the sum of its proper divisors (44705442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40305246 is a wasteful number, since it uses less digits than its factorization.

40305246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40305246 is about 6348.6412719573. The cubic root of 40305246 is about 342.8629246545.

The spelling of 40305246 in words is "forty million, three hundred five thousand, two hundred forty-six".