40987892 has 12 divisors (see below), whose sum is σ = 78249696. Its totient is φ = 18630840.

The previous prime is 40987879. The next prime is 40987907. The reversal of 40987892 is 29878904.

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, 465728 + ... + 465815.

It is an arithmetic number, because the mean of its divisors is an integer number (6520808).

Almost surely, 2^40987892 is an apocalyptic number.

It is an amenable number.

40987892 is a deficient number, since it is larger than the sum of its proper divisors (37261804).

40987892 is a wasteful number, since it uses less digits than its factorization.

40987892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931558 (or 931556 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 40987892 is about 6402.1786916643. The cubic root of 40987892 is about 344.7877767822.

The spelling of 40987892 in words is "forty million, nine hundred eighty-seven thousand, eight hundred ninety-two".