40405450325 has 12 divisors (see below), whose sum is σ = 50145004800. Its totient is φ = 32297104560.

The previous prime is 40405450321. The next prime is 40405450343. The reversal of 40405450325 is 52305450404.

40405450325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40405450325 - 2² = 40405450321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40405450291 and 40405450300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40405450321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651125 + ... + 710474.

It is an arithmetic number, because the mean of its divisors is an integer number (4178750400).

Almost surely, 2^40405450325 is an apocalyptic number.

It is an amenable number.

40405450325 is a deficient number, since it is larger than the sum of its proper divisors (9739554475).

40405450325 is a wasteful number, since it uses less digits than its factorization.

40405450325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362796 (or 1362791 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 40405450325 in words is "forty billion, four hundred five million, four hundred fifty thousand, three hundred twenty-five".