40446830 has 8 divisors (see below), whose sum is σ = 72804312. Its totient is φ = 16178728.

The previous prime is 40446829. The next prime is 40446841. The reversal of 40446830 is 3864404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40446793 and 40446802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022332 + ... + 2022351.

It is an arithmetic number, because the mean of its divisors is an integer number (9100539).

Almost surely, 2^40446830 is an apocalyptic number.

40446830 is a deficient number, since it is larger than the sum of its proper divisors (32357482).

40446830 is a wasteful number, since it uses less digits than its factorization.

40446830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044690.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40446830 is about 6359.7822289761. The cubic root of 40446830 is about 343.2639243443.

The spelling of 40446830 in words is "forty million, four hundred forty-six thousand, eight hundred thirty".