40709196 has 48 divisors (see below), whose sum is σ = 115140480. Its totient is φ = 12335760.

The previous prime is 40709177. The next prime is 40709197. The reversal of 40709196 is 69190704.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40709196.

It is not an unprimeable number, because it can be changed into a prime (40709197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15946 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (2398760).

Almost surely, 2^40709196 is an apocalyptic number.

It is an amenable number.

40709196 is an abundant number, since it is smaller than the sum of its proper divisors (74431284).

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

40709196 is a wasteful number, since it uses less digits than its factorization.

40709196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34291 (or 34283 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 40709196 is about 6380.3758509981. The cubic root of 40709196 is about 344.0045406828.

The spelling of 40709196 in words is "forty million, seven hundred nine thousand, one hundred ninety-six".