42156655244 has 48 divisors (see below), whose sum is σ = 82179722016. Its totient is φ = 18761472000.

The previous prime is 42156655241. The next prime is 42156655253. The reversal of 42156655244 is 44255665124.

It is a super-2 number, since 2×42156655244² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 42156655195 and 42156655204.

It is not an unprimeable number, because it can be changed into a prime (42156655241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392144 + ... + 487944.

It is an arithmetic number, because the mean of its divisors is an integer number (1712077542).

Almost surely, 2^42156655244 is an apocalyptic number.

42156655244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42156655244 is a deficient number, since it is larger than the sum of its proper divisors (40023066772).

42156655244 is a wasteful number, since it uses less digits than its factorization.

42156655244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96026 (or 96024 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

It can be divided in two parts, 421 and 56655244, that added together give a palindrome (56655665).

The spelling of 42156655244 in words is "forty-two billion, one hundred fifty-six million, six hundred fifty-five thousand, two hundred forty-four".