1466278042 has 4 divisors (see below), whose sum is σ = 2199417066. Its totient is φ = 733139020.

The previous prime is 1466278007. The next prime is 1466278043. The reversal of 1466278042 is 2408726641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2408726641 = 47 ⋅51249503.

It can be written as a sum of positive squares in only one way, i.e., 1389872961 + 76405081 = 37281^2 + 8741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1466277986 and 1466278004.

It is not an unprimeable number, because it can be changed into a prime (1466278043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366569509 + ... + 366569512.

Almost surely, 2^1466278042 is an apocalyptic number.

1466278042 is a deficient number, since it is larger than the sum of its proper divisors (733139024).

1466278042 is an equidigital number, since it uses as much as digits as its factorization.

1466278042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733139023.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 1466278042 is about 38292.0101587786. The cubic root of 1466278042 is about 1136.0709207566.

The spelling of 1466278042 in words is "one billion, four hundred sixty-six million, two hundred seventy-eight thousand, forty-two".