40443246 has 32 divisors (see below), whose sum is σ = 93784320. Its totient is φ = 12894552.

The previous prime is 40443217. The next prime is 40443283. The reversal of 40443246 is 64234404.

It is a super-2 number, since 2×40443246² = 3271312294033032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15040 + ... + 17523.

It is an arithmetic number, because the mean of its divisors is an integer number (2930760).

Almost surely, 2^40443246 is an apocalyptic number.

40443246 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40443246 is an abundant number, since it is smaller than the sum of its proper divisors (53341074).

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

40443246 is a wasteful number, since it uses less digits than its factorization.

40443246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32597 (or 32591 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 40443246 is about 6359.5004520795. The cubic root of 40443246 is about 343.2537851546.

The spelling of 40443246 in words is "forty million, four hundred forty-three thousand, two hundred forty-six".