40202436 has 24 divisors (see below), whose sum is σ = 97884864. Its totient is φ = 12818080.

The previous prime is 40202431. The next prime is 40202441. The reversal of 40202436 is 63420204.

It is an interprime number because it is at equal distance from previous prime (40202431) and next prime (40202441).

It is not an unprimeable number, because it can be changed into a prime (40202431) 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 7 ways as a sum of consecutive naturals, for example, 72555 + ... + 73106.

It is an arithmetic number, because the mean of its divisors is an integer number (4078536).

Almost surely, 2^40202436 is an apocalyptic number.

40202436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40202436 is an abundant number, since it is smaller than the sum of its proper divisors (57682428).

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

40202436 is a wasteful number, since it uses less digits than its factorization.

40202436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145691 (or 145689 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40202436 is about 6340.5390937995. The cubic root of 40202436 is about 342.5711532779.

The spelling of 40202436 in words is "forty million, two hundred two thousand, four hundred thirty-six".