40451235345 has 24 divisors (see below), whose sum is σ = 70507195200. Its totient is φ = 21453462816.

The previous prime is 40451235337. The next prime is 40451235379. The reversal of 40451235345 is 54353215404.

40451235345 is a `hidden beast` number, since 40 + 45 + 1 + 235 + 345 = 666.

It is not a de Polignac number, because 40451235345 - 2³ = 40451235337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2502885 + ... + 2518994.

It is an arithmetic number, because the mean of its divisors is an integer number (2937799800).

Almost surely, 2^40451235345 is an apocalyptic number.

40451235345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40451235345 is a deficient number, since it is larger than the sum of its proper divisors (30055959855).

40451235345 is a wasteful number, since it uses less digits than its factorization.

40451235345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022069 (or 5022066 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 40451235345 in words is "forty billion, four hundred fifty-one million, two hundred thirty-five thousand, three hundred forty-five".