40667521245 has 32 divisors (see below), whose sum is σ = 73761340800. Its totient is φ = 18967198464.

The previous prime is 40667521217. The next prime is 40667521253. The reversal of 40667521245 is 54212576604.

It is not a de Polignac number, because 40667521245 - 2¹⁷ = 40667390173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40667521197 and 40667521206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5484490 + ... + 5491899.

It is an arithmetic number, because the mean of its divisors is an integer number (2305041900).

Almost surely, 2^40667521245 is an apocalyptic number.

It is an amenable number.

40667521245 is a deficient number, since it is larger than the sum of its proper divisors (33093819555).

40667521245 is a wasteful number, since it uses less digits than its factorization.

40667521245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976429.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 40667521245 in words is "forty billion, six hundred sixty-seven million, five hundred twenty-one thousand, two hundred forty-five".