40489796 has 12 divisors (see below), whose sum is σ = 72585660. Its totient is φ = 19751040.

The previous prime is 40489793. The next prime is 40489819. The reversal of 40489796 is 69798404.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 24601600 = 3986^2 + 4960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40489796.

It is not an unprimeable number, because it can be changed into a prime (40489793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123281 + ... + 123608.

It is an arithmetic number, because the mean of its divisors is an integer number (6048805).

Almost surely, 2^40489796 is an apocalyptic number.

It is an amenable number.

40489796 is a deficient number, since it is larger than the sum of its proper divisors (32095864).

40489796 is a wasteful number, since it uses less digits than its factorization.

40489796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246934 (or 246932 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 40489796 is about 6363.1592782202. The cubic root of 40489796 is about 343.3854291975.

The spelling of 40489796 in words is "forty million, four hundred eighty-nine thousand, seven hundred ninety-six".