40202404 has 36 divisors (see below), whose sum is σ = 81034128. Its totient is φ = 17305200.

The previous prime is 40202369. The next prime is 40202431. The reversal of 40202404 is 40420204.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14619 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (2250948).

Almost surely, 2^40202404 is an apocalyptic number.

40202404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40202404 is an abundant number, since it is smaller than the sum of its proper divisors (40831724).

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

40202404 is a wasteful number, since it uses less digits than its factorization.

40202404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40202404 is about 6340.5365703543. The cubic root of 40202404 is about 342.5710623856.

Adding to 40202404 its reverse (40420204), we get a palindrome (80622608).

The spelling of 40202404 in words is "forty million, two hundred two thousand, four hundred four".