42406890401146 has 16 divisors (see below), whose sum is σ = 63972980302464. Its totient is φ = 21082887280224.

The previous prime is 42406890401077. The next prime is 42406890401177. The reversal of 42406890401146 is 64110409860424.

It is a super-4 number, since 4×42406890401146⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 42406890401146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80649211 + ... + 81173326.

It is an arithmetic number, because the mean of its divisors is an integer number (3998311268904).

Almost surely, 2^{42406890401146} is an apocalyptic number.

42406890401146 is a deficient number, since it is larger than the sum of its proper divisors (21566089901318).

42406890401146 is a wasteful number, since it uses less digits than its factorization.

42406890401146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161823285.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 42406890401146 in words is "forty-two trillion, four hundred six billion, eight hundred ninety million, four hundred one thousand, one hundred forty-six".