40293402 has 8 divisors (see below), whose sum is σ = 80586816. Its totient is φ = 13431132.

The previous prime is 40293391. The next prime is 40293419. The reversal of 40293402 is 20439204.

It is a happy number.

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

40293402 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, 3357778 + ... + 3357789.

It is an arithmetic number, because the mean of its divisors is an integer number (10073352).

Almost surely, 2^40293402 is an apocalyptic number.

40293402 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.

40293402 is a wasteful number, since it uses less digits than its factorization.

40293402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715572.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40293402 is about 6347.7084054011. The cubic root of 40293402 is about 342.8293370803.

The spelling of 40293402 in words is "forty million, two hundred ninety-three thousand, four hundred two".