40379660 has 24 divisors (see below), whose sum is σ = 85594320. Its totient is φ = 16000064.

The previous prime is 40379657. The next prime is 40379663. The reversal of 40379660 is 6697304.

It is an interprime number because it is at equal distance from previous prime (40379657) and next prime (40379663).

It is a self number, because there is not a number n which added to its sum of digits gives 40379660.

It is not an unprimeable number, because it can be changed into a prime (40379663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7295 + ... + 11574.

It is an arithmetic number, because the mean of its divisors is an integer number (3566430).

Almost surely, 2^40379660 is an apocalyptic number.

It is an amenable number.

40379660 is an abundant number, since it is smaller than the sum of its proper divisors (45214660).

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

40379660 is a wasteful number, since it uses less digits than its factorization.

40379660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18985 (or 18983 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 40379660 is about 6354.4991934849. The cubic root of 40379660 is about 343.0737997355.

The spelling of 40379660 in words is "forty million, three hundred seventy-nine thousand, six hundred sixty".