40990602 has 8 divisors (see below), whose sum is σ = 81981216. Its totient is φ = 13663532.

The previous prime is 40990591. The next prime is 40990613. The reversal of 40990602 is 20609904.

It is an interprime number because it is at equal distance from previous prime (40990591) and next prime (40990613).

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

40990602 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40990602.

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, 3415878 + ... + 3415889.

It is an arithmetic number, because the mean of its divisors is an integer number (10247652).

Almost surely, 2^40990602 is an apocalyptic number.

40990602 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.

40990602 is a wasteful number, since it uses less digits than its factorization.

40990602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831772.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 40990602 is about 6402.3903348671. The cubic root of 40990602 is about 344.7953754025.

The spelling of 40990602 in words is "forty million, nine hundred ninety thousand, six hundred two".