40545345042 has 64 divisors (see below), whose sum is σ = 91679299200. Its totient is φ = 13278594240.

The previous prime is 40545345031. The next prime is 40545345053. The reversal of 40545345042 is 24054354504.

40545345042 is a `hidden beast` number, since 40 + 545 + 34 + 5 + 0 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (40545345031) and next prime (40545345053).

It is a junction number, because it is equal to n+sod(n) for n = 40545344988 and 40545345006.

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, 11024908 + ... + 11028584.

It is an arithmetic number, because the mean of its divisors is an integer number (1432489050).

Almost surely, 2^40545345042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40545345042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45839649600).

40545345042 is an abundant number, since it is smaller than the sum of its proper divisors (51133954158).

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

40545345042 is a wasteful number, since it uses less digits than its factorization.

40545345042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 40545345042 its reverse (24054354504), we get a palindrome (64599699546).

The spelling of 40545345042 in words is "forty billion, five hundred forty-five million, three hundred forty-five thousand, forty-two".