1401033042 has 12 divisors (see below), whose sum is σ = 3035571630. Its totient is φ = 467011008.

The previous prime is 1401033013. The next prime is 1401033043. The reversal of 1401033042 is 2403301041.

It can be written as a sum of positive squares in only one way, i.e., 1254647241 + 146385801 = 35421^2 + 12099^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 77835169 = 1401033042 / (1 + 4 + 0 + 1 + 0 + 3 + 3 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1401033043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38917567 + ... + 38917602.

Almost surely, 2^1401033042 is an apocalyptic number.

1401033042 is an abundant number, since it is smaller than the sum of its proper divisors (1634538588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401033042 is a wasteful number, since it uses less digits than its factorization.

1401033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77835177 (or 77835174 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1401033042 is about 37430.3759265119. The cubic root of 1401033042 is about 1118.9640298270.

Adding to 1401033042 its reverse (2403301041), we get a palindrome (3804334083).

The spelling of 1401033042 in words is "one billion, four hundred one million, thirty-three thousand, forty-two".