440148956 has 12 divisors (see below), whose sum is σ = 829511592. Its totient is φ = 203145648.

The previous prime is 440148923. The next prime is 440148971. The reversal of 440148956 is 659841044.

It is a super-2 number, since 2×440148956² = 387462206935779872, which contains 22 as substring.

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, 4232150 + ... + 4232253.

It is an arithmetic number, because the mean of its divisors is an integer number (69125966).

Almost surely, 2^440148956 is an apocalyptic number.

It is an amenable number.

440148956 is a deficient number, since it is larger than the sum of its proper divisors (389362636).

440148956 is a wasteful number, since it uses less digits than its factorization.

440148956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464420 (or 8464418 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 440148956 is about 20979.7272622882. The cubic root of 440148956 is about 760.6763116485.

The spelling of 440148956 in words is "four hundred forty million, one hundred forty-eight thousand, nine hundred fifty-six".