40989950 has 12 divisors (see below), whose sum is σ = 76241400. Its totient is φ = 16395960.

The previous prime is 40989943. The next prime is 40989953. The reversal of 40989950 is 5998904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40989953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409850 + ... + 409949.

It is an arithmetic number, because the mean of its divisors is an integer number (6353450).

Almost surely, 2^40989950 is an apocalyptic number.

40989950 is a deficient number, since it is larger than the sum of its proper divisors (35251450).

40989950 is a wasteful number, since it uses less digits than its factorization.

40989950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819811 (or 819806 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 40989950 is about 6402.3394161822. The cubic root of 40989950 is about 344.7935472780.

The spelling of 40989950 in words is "forty million, nine hundred eighty-nine thousand, nine hundred fifty".