40987796 has 12 divisors (see below), whose sum is σ = 72101652. Its totient is φ = 20387328.

The previous prime is 40987789. The next prime is 40987811. The reversal of 40987796 is 69778904.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20611600 + 20376196 = 4540^2 + 4514^2 .

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, 25775 + ... + 27318.

It is an arithmetic number, because the mean of its divisors is an integer number (6008471).

Almost surely, 2^40987796 is an apocalyptic number.

It is an amenable number.

40987796 is a deficient number, since it is larger than the sum of its proper divisors (31113856).

40987796 is a wasteful number, since it uses less digits than its factorization.

40987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53290 (or 53288 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 40987796 is about 6402.1711942122. The cubic root of 40987796 is about 344.7875075999.

The spelling of 40987796 in words is "forty million, nine hundred eighty-seven thousand, seven hundred ninety-six".