40264446 has 16 divisors (see below), whose sum is σ = 80615808. Its totient is φ = 13407000.

The previous prime is 40264429. The next prime is 40264459. The reversal of 40264446 is 64446204.

It is a super-2 number, since 2×40264446² = 3242451223373832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 3471 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (5038488).

Almost surely, 2^40264446 is an apocalyptic number.

40264446 is an abundant number, since it is smaller than the sum of its proper divisors (40351362).

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

40264446 is a wasteful number, since it uses less digits than its factorization.

40264446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 40264446 is about 6345.4271723817. The cubic root of 40264446 is about 342.7471950531.

The spelling of 40264446 in words is "forty million, two hundred sixty-four thousand, four hundred forty-six".