42246446 has 32 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 17728480.

The previous prime is 42246437. The next prime is 42246473. The reversal of 42246446 is 64464224.

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, 13235 + ... + 16113.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^42246446 is an apocalyptic number.

42246446 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42246446 is a deficient number, since it is larger than the sum of its proper divisors (32403154).

42246446 is a wasteful number, since it uses less digits than its factorization.

42246446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its digits is 36864, while the sum is 32.

The square root of 42246446 is about 6499.7266096352. The cubic root of 42246446 is about 348.2812222333.

The spelling of 42246446 in words is "forty-two million, two hundred forty-six thousand, four hundred forty-six".