42452154460221 has 64 divisors (see below), whose sum is σ = 65172409574400. Its totient is φ = 24309251366400.

The previous prime is 42452154460201. The next prime is 42452154460273. The reversal of 42452154460221 is 12206445125424.

It is not a de Polignac number, because 42452154460221 - 2⁵ = 42452154460189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42452154460201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2673133201 + ... + 2673149081.

It is an arithmetic number, because the mean of its divisors is an integer number (1018318899600).

Almost surely, 2^{42452154460221} is an apocalyptic number.

It is an amenable number.

42452154460221 is a deficient number, since it is larger than the sum of its proper divisors (22720255114179).

42452154460221 is a wasteful number, since it uses less digits than its factorization.

42452154460221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27050.

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 42452154460221 its reverse (12206445125424), we get a palindrome (54658599585645).

The spelling of 42452154460221 in words is "forty-two trillion, four hundred fifty-two billion, one hundred fifty-four million, four hundred sixty thousand, two hundred twenty-one".