1402020441 has 16 divisors (see below), whose sum is σ = 2078608000. Its totient is φ = 933987024.

The previous prime is 1402020427. The next prime is 1402020449. The reversal of 1402020441 is 1440202041.

It is not a de Polignac number, because 1402020441 - 2¹⁴ = 1402004057 is a prime.

It is a super-2 number, since 2×1402020441² = 3931322633963668962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402020449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19215 + ... + 56331.

It is an arithmetic number, because the mean of its divisors is an integer number (129913000).

Almost surely, 2^1402020441 is an apocalyptic number.

It is an amenable number.

1402020441 is a deficient number, since it is larger than the sum of its proper divisors (676587559).

1402020441 is a wasteful number, since it uses less digits than its factorization.

1402020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38525 (or 38519 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1402020441 is about 37443.5634121540. The cubic root of 1402020441 is about 1119.2268369786.

Adding to 1402020441 its reverse (1440202041), we get a palindrome (2842222482).

The spelling of 1402020441 in words is "one billion, four hundred two million, twenty thousand, four hundred forty-one".