4020402462 has 64 divisors (see below), whose sum is σ = 8548460544. Its totient is φ = 1258312320.

The previous prime is 4020402391. The next prime is 4020402467. The reversal of 4020402462 is 2642040204.

It is a super-2 number, since 2×4020402462² = 32327271912911322888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020402467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3598728 + ... + 3599844.

It is an arithmetic number, because the mean of its divisors is an integer number (133569696).

Almost surely, 2^4020402462 is an apocalyptic number.

4020402462 is an abundant number, since it is smaller than the sum of its proper divisors (4528058082).

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

4020402462 is a wasteful number, since it uses less digits than its factorization.

4020402462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4020402462 is about 63406.6436739873. The cubic root of 4020402462 is about 1590.0953837007.

Adding to 4020402462 its reverse (2642040204), we get a palindrome (6662442666).

The spelling of 4020402462 in words is "four billion, twenty million, four hundred two thousand, four hundred sixty-two".