40342423102 has 16 divisors (see below), whose sum is σ = 62823114000. Its totient is φ = 19406336320.

The previous prime is 40342423091. The next prime is 40342423103. The reversal of 40342423102 is 20132424304.

It is a happy number.

It is a super-2 number, since 2×40342423102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342423103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221352 + ... + 1253947.

It is an arithmetic number, because the mean of its divisors is an integer number (3926444625).

Almost surely, 2^40342423102 is an apocalyptic number.

40342423102 is a deficient number, since it is larger than the sum of its proper divisors (22480690898).

40342423102 is a wasteful number, since it uses less digits than its factorization.

40342423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475611.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40342423102 its reverse (20132424304), we get a palindrome (60474847406).

The spelling of 40342423102 in words is "forty billion, three hundred forty-two million, four hundred twenty-three thousand, one hundred two".