42151040421 has 8 divisors (see below), whose sum is σ = 64230156864. Its totient is φ = 24086308800.

The previous prime is 42151040419. The next prime is 42151040429. The reversal of 42151040421 is 12404015124.

42151040421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42151040421 - 2¹ = 42151040419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42151040391 and 42151040400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151040429) 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, 1003596180 + ... + 1003596221.

It is an arithmetic number, because the mean of its divisors is an integer number (8028769608).

Almost surely, 2^42151040421 is an apocalyptic number.

It is an amenable number.

42151040421 is a deficient number, since it is larger than the sum of its proper divisors (22079116443).

42151040421 is a wasteful number, since it uses less digits than its factorization.

42151040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007192411.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 42151040421 its reverse (12404015124), we get a palindrome (54555055545).

The spelling of 42151040421 in words is "forty-two billion, one hundred fifty-one million, forty thousand, four hundred twenty-one".