1401466438 has 4 divisors (see below), whose sum is σ = 2102199660. Its totient is φ = 700733218.

The previous prime is 1401466433. The next prime is 1401466459. The reversal of 1401466438 is 8346641041.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1401466397 and 1401466406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401466433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350366608 + ... + 350366611.

It is an arithmetic number, because the mean of its divisors is an integer number (525549915).

Almost surely, 2^1401466438 is an apocalyptic number.

1401466438 is a deficient number, since it is larger than the sum of its proper divisors (700733222).

1401466438 is an equidigital number, since it uses as much as digits as its factorization.

1401466438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700733221.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1401466438 is about 37436.1648409663. The cubic root of 1401466438 is about 1119.0793981596.

The spelling of 1401466438 in words is "one billion, four hundred one million, four hundred sixty-six thousand, four hundred thirty-eight".