40342345461045 has 48 divisors (see below), whose sum is σ = 73622685240000. Its totient is φ = 20379181201920.

The previous prime is 40342345461013. The next prime is 40342345461091. The reversal of 40342345461045 is 54016454324304.

40342345461045 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 23 + 4 + 5 + 4 + 610 + 4 + 5 = 666.

It is not a de Polignac number, because 40342345461045 - 2⁵ = 40342345461013 is a prime.

It is a super-2 number, since 2×40342345461045² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 960795 + ... + 9033704.

It is an arithmetic number, because the mean of its divisors is an integer number (1533805942500).

Almost surely, 2^{40342345461045} is an apocalyptic number.

40342345461045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40342345461045 is a deficient number, since it is larger than the sum of its proper divisors (33280339778955).

40342345461045 is a wasteful number, since it uses less digits than its factorization.

40342345461045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999250 (or 9999247 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 40342345461045 its reverse (54016454324304), we get a palindrome (94358799785349).

The spelling of 40342345461045 in words is "forty trillion, three hundred forty-two billion, three hundred forty-five million, four hundred sixty-one thousand, forty-five".