40198430 has 8 divisors (see below), whose sum is σ = 72357192. Its totient is φ = 16079368.

The previous prime is 40198397. The next prime is 40198447. The reversal of 40198430 is 3489104.

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

It is a junction number, because it is equal to n+sod(n) for n = 40198393 and 40198402.

It is a congruent 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, 2009912 + ... + 2009931.

It is an arithmetic number, because the mean of its divisors is an integer number (9044649).

Almost surely, 2^40198430 is an apocalyptic number.

40198430 is a deficient number, since it is larger than the sum of its proper divisors (32158762).

40198430 is a wasteful number, since it uses less digits than its factorization.

40198430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019850.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40198430 is about 6340.2231821916. The cubic root of 40198430 is about 342.5597743188.

The spelling of 40198430 in words is "forty million, one hundred ninety-eight thousand, four hundred thirty".