40325417861 has 4 divisors (see below), whose sum is σ = 41626237824. Its totient is φ = 39024597900.

The previous prime is 40325417837. The next prime is 40325417893. The reversal of 40325417861 is 16871452304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40325417861 - 2²⁶ = 40258308997 is a prime.

It is a super-2 number, since 2×40325417861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40325417261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650409935 + ... + 650409996.

It is an arithmetic number, because the mean of its divisors is an integer number (10406559456).

Almost surely, 2^40325417861 is an apocalyptic number.

It is an amenable number.

40325417861 is a deficient number, since it is larger than the sum of its proper divisors (1300819963).

40325417861 is a wasteful number, since it uses less digits than its factorization.

40325417861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300819962.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 40325417861 in words is "forty billion, three hundred twenty-five million, four hundred seventeen thousand, eight hundred sixty-one".