40053221145 has 64 divisors (see below), whose sum is σ = 82757376000. Its totient is φ = 17999679168.

The previous prime is 40053221101. The next prime is 40053221147. The reversal of 40053221145 is 54112235004.

40053221145 is a `hidden beast` number, since 400 + 5 + 3 + 2 + 211 + 45 = 666.

It is not a de Polignac number, because 40053221145 - 2⁶ = 40053221081 is a prime.

It is a super-2 number, since 2×40053221145² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40053221147) 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 63 ways as a sum of consecutive naturals, for example, 303435 + ... + 414944.

It is an arithmetic number, because the mean of its divisors is an integer number (1293084000).

Almost surely, 2^40053221145 is an apocalyptic number.

40053221145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40053221145 is an abundant number, since it is smaller than the sum of its proper divisors (42704154855).

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

40053221145 is a wasteful number, since it uses less digits than its factorization.

40053221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718459 (or 718453 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40053221145 its reverse (54112235004), we get a palindrome (94165456149).

The spelling of 40053221145 in words is "forty billion, fifty-three million, two hundred twenty-one thousand, one hundred forty-five".