40354998 has 8 divisors (see below), whose sum is σ = 80710008. Its totient is φ = 13451664.

The previous prime is 40354987. The next prime is 40355009. The reversal of 40354998 is 89945304.

It is an interprime number because it is at equal distance from previous prime (40354987) and next prime (40355009).

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

40354998 is an admirable number.

It is a Curzon number.

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, 3362911 + ... + 3362922.

It is an arithmetic number, because the mean of its divisors is an integer number (10088751).

Almost surely, 2^40354998 is an apocalyptic number.

40354998 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.

40354998 is a wasteful number, since it uses less digits than its factorization.

40354998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725838.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 40354998 is about 6352.5583822583. The cubic root of 40354998 is about 343.0039410564.

The spelling of 40354998 in words is "forty million, three hundred fifty-four thousand, nine hundred ninety-eight".