40446430 has 8 divisors (see below), whose sum is σ = 72803592. Its totient is φ = 16178568.

The previous prime is 40446409. The next prime is 40446433. The reversal of 40446430 is 3464404.

It is a happy number.

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 = 40446395 and 40446404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022312 + ... + 2022331.

It is an arithmetic number, because the mean of its divisors is an integer number (9100449).

Almost surely, 2^40446430 is an apocalyptic number.

40446430 is a deficient number, since it is larger than the sum of its proper divisors (32357162).

40446430 is a wasteful number, since it uses less digits than its factorization.

40446430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044650.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40446430 is about 6359.7507812807. The cubic root of 40446430 is about 343.2627927680.

The spelling of 40446430 in words is "forty million, four hundred forty-six thousand, four hundred thirty".