440011953612 has 144 divisors (see below), whose sum is σ = 1415004864000. Its totient is φ = 114288783840.

The previous prime is 440011953611. The next prime is 440011953671. The reversal of 440011953612 is 216359110044.

It is a happy number.

440011953612 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 119 + 536 + 1 + 2 = 666.

It is a super-2 number, since 2×440011953612² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (440011953611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1483912 + ... + 1755567.

Almost surely, 2^440011953612 is an apocalyptic number.

440011953612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

440011953612 is an abundant number, since it is smaller than the sum of its proper divisors (974992910388).

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

440011953612 is a wasteful number, since it uses less digits than its factorization.

440011953612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239521 (or 3239502 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 440011953612 in words is "four hundred forty billion, eleven million, nine hundred fifty-three thousand, six hundred twelve".