40202102402 has 64 divisors (see below), whose sum is σ = 78383821824. Its totient is φ = 15010107840.

The previous prime is 40202102389. The next prime is 40202102449. The reversal of 40202102402 is 20420120204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293693 + ... + 408239.

It is an arithmetic number, because the mean of its divisors is an integer number (1224747216).

Almost surely, 2^40202102402 is an apocalyptic number.

40202102402 is a deficient number, since it is larger than the sum of its proper divisors (38181719422).

40202102402 is a wasteful number, since it uses less digits than its factorization.

40202102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114663.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40202102402 its reverse (20420120204), we get a palindrome (60622222606).

The spelling of 40202102402 in words is "forty billion, two hundred two million, one hundred two thousand, four hundred two".