42012214040 has 64 divisors (see below), whose sum is σ = 100136671200. Its totient is φ = 15818969088.

The previous prime is 42012214039. The next prime is 42012214043. The reversal of 42012214040 is 4041221024.

It is a super-2 number, since 2×42012214040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012214043) 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, 56729 + ... + 295368.

Almost surely, 2^42012214040 is an apocalyptic number.

42012214040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42012214040 is an abundant number, since it is smaller than the sum of its proper divisors (58124457160).

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

42012214040 is a wasteful number, since it uses less digits than its factorization.

42012214040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352284 (or 352280 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42012214040 its reverse (4041221024), we get a palindrome (46053435064).

The spelling of 42012214040 in words is "forty-two billion, twelve million, two hundred fourteen thousand, forty".