42162321162440 has 32 divisors (see below), whose sum is σ = 94938818715000. Its totient is φ = 16851844713984.

The previous prime is 42162321162343. The next prime is 42162321162503. The reversal of 42162321162440 is 4426112326124.

It can be written as a sum of positive squares in 4 ways, for example, as 41804164396996 + 358156765444 = 6465614^2 + 598462^2 .

It is a super-2 number, since 2×42162321162440² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42162321162394 and 42162321162403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408815015 + ... + 408918134.

Almost surely, 2^{42162321162440} is an apocalyptic number.

42162321162440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42162321162440 is an abundant number, since it is smaller than the sum of its proper divisors (52776497552560).

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

42162321162440 is a wasteful number, since it uses less digits than its factorization.

42162321162440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817734449 (or 817734445 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 42162321162440 its reverse (4426112326124), we get a palindrome (46588433488564).

The spelling of 42162321162440 in words is "forty-two trillion, one hundred sixty-two billion, three hundred twenty-one million, one hundred sixty-two thousand, four hundred forty".