42401611 has 6 divisors (see below), whose sum is σ = 49324380. Its totient is φ = 36344196.

The previous prime is 42401599. The next prime is 42401633. The reversal of 42401611 is 11610424.

It is not a de Polignac number, because 42401611 - 2²³ = 34013003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42401641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432621 + ... + 432718.

It is an arithmetic number, because the mean of its divisors is an integer number (8220730).

Almost surely, 2^42401611 is an apocalyptic number.

42401611 is a deficient number, since it is larger than the sum of its proper divisors (6922769).

42401611 is an equidigital number, since it uses as much as digits as its factorization.

42401611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865353 (or 865346 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 42401611 is about 6511.6519409440. The cubic root of 42401611 is about 348.7070965494.

The spelling of 42401611 in words is "forty-two million, four hundred one thousand, six hundred eleven".