40434402 has 8 divisors (see below), whose sum is σ = 80868816. Its totient is φ = 13478132.

The previous prime is 40434379. The next prime is 40434421. The reversal of 40434402 is 20443404.

It is a sphenic number, since it is the product of 3 distinct primes.

40434402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369528 + ... + 3369539.

It is an arithmetic number, because the mean of its divisors is an integer number (10108602).

Almost surely, 2^40434402 is an apocalyptic number.

40434402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40434402 is a wasteful number, since it uses less digits than its factorization.

40434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739072.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40434402 is about 6358.8050764275. The cubic root of 40434402 is about 343.2287627830.

Adding to 40434402 its reverse (20443404), we get a palindrome (60877806).

The spelling of 40434402 in words is "forty million, four hundred thirty-four thousand, four hundred two".